25313256570659 has 4 divisors (see below), whose sum is σ = 25483144198800. Its totient is φ = 25143368942520.

The previous prime is 25313256570619. The next prime is 25313256570661. The reversal of 25313256570659 is 95607565231352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25313256570659 - 2⁸ = 25313256570403 is a prime.

It is a super-2 number, since 2×25313256570659² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25313256570598 and 25313256570607.

It is not an unprimeable number, because it can be changed into a prime (25313256570619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84943813847 + ... + 84943814144.

It is an arithmetic number, because the mean of its divisors is an integer number (6370786049700).

Almost surely, 2^{25313256570659} is an apocalyptic number.

25313256570659 is a deficient number, since it is larger than the sum of its proper divisors (169887628141).

25313256570659 is a wasteful number, since it uses less digits than its factorization.

25313256570659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169887628140.

The product of its (nonzero) digits is 51030000, while the sum is 59.

The spelling of 25313256570659 in words is "twenty-five trillion, three hundred thirteen billion, two hundred fifty-six million, five hundred seventy thousand, six hundred fifty-nine".