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5261869 is a prime number
BaseRepresentation
bin10100000100101000101101
3100220022221001
4110010220231
52321334434
6304440301
762503504
oct24045055
910808831
105261869
112a74358
121919091
131123042
149ad83b
156de114
hex504a2d

5261869 has 2 divisors, whose sum is σ = 5261870. Its totient is φ = 5261868.

The previous prime is 5261833. The next prime is 5261887. The reversal of 5261869 is 9681625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4251844 + 1010025 = 2062^2 + 1005^2 .

It is a cyclic number.

It is not a de Polignac number, because 5261869 - 27 = 5261741 is a prime.

It is a super-2 number, since 2×52618692 = 55374530746322, which contains 22 as substring.

5261869 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5261569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630934 + 2630935.

It is an arithmetic number, because the mean of its divisors is an integer number (2630935).

Almost surely, 25261869 is an apocalyptic number.

It is an amenable number.

5261869 is a deficient number, since it is larger than the sum of its proper divisors (1).

5261869 is an equidigital number, since it uses as much as digits as its factorization.

5261869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 5261869 is about 2293.8764134103. The cubic root of 5261869 is about 173.9322081444.

The spelling of 5261869 in words is "five million, two hundred sixty-one thousand, eight hundred sixty-nine".