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5218125 = 35411223
BaseRepresentation
bin10011111001111101001101
3100211002220220
4103321331031
52313440000
6303501553
762232123
oct23717515
910732826
105218125
112a44500
1218b78b9
131109163
1499b913
156d11a0
hex4f9f4d

5218125 has 60 divisors (see below), whose sum is σ = 9971808. Its totient is φ = 2420000.

The previous prime is 5218121. The next prime is 5218139.

5218125 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5218125 - 22 = 5218121 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 5218095 and 5218104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218121) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 226864 + ... + 226886.

Almost surely, 25218125 is an apocalyptic number.

5218125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5218125 is a deficient number, since it is larger than the sum of its proper divisors (4753683).

5218125 is a wasteful number, since it uses less digits than its factorization.

5218125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 42 counting only the distinct ones).

The product of its digits is 800, while the sum is 24.

The square root of 5218125 is about 2284.3215623025. The cubic root of 5218125 is about 173.4488771856.

It can be divided in two parts, 521 and 8125, that added together give a triangular number (8646 = T131).

The spelling of 5218125 in words is "five million, two hundred eighteen thousand, one hundred twenty-five".

Divisors: 1 3 5 11 15 23 25 33 55 69 75 115 121 125 165 253 275 345 363 375 575 605 625 759 825 1265 1375 1725 1815 1875 2783 2875 3025 3795 4125 6325 6875 8349 8625 9075 13915 14375 15125 18975 20625 31625 41745 43125 45375 69575 75625 94875 158125 208725 226875 347875 474375 1043625 1739375 5218125