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275025025 = 52113132261
BaseRepresentation
bin10000011001001…
…000110010000001
3201011111201102001
4100121020302001
51030401300100
643142424001
76546450142
oct2031106201
9634451361
10275025025
11131276410
1278132001
1344c95102
1428751ac9
1519228d6a
hex10648c81

275025025 has 24 divisors (see below), whose sum is σ = 384046848. Its totient is φ = 193560000.

The previous prime is 275024957. The next prime is 275025061. The reversal of 275025025 is 520520572.

It is not a de Polignac number, because 275025025 - 211 = 275022977 is a prime.

275025025 is a modest number, since divided by 25025 gives 275 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 275024984 and 275025002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7606 + ... + 24655.

It is an arithmetic number, because the mean of its divisors is an integer number (16001952).

Almost surely, 2275025025 is an apocalyptic number.

275025025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275025025 is a deficient number, since it is larger than the sum of its proper divisors (109021823).

275025025 is a wasteful number, since it uses less digits than its factorization.

275025025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32313 (or 32308 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 275025025 is about 16583.8784667520. The cubic root of 275025025 is about 650.3154484643.

Adding to 275025025 its reverse (520520572), we get a palindrome (795545597).

The spelling of 275025025 in words is "two hundred seventy-five million, twenty-five thousand, twenty-five".

Divisors: 1 5 11 25 31 55 155 275 341 775 1705 8525 32261 161305 354871 806525 1000091 1774355 5000455 8871775 11001001 25002275 55005005 275025025