25026256213 has 16 divisors (see below), whose sum is σ = 29307914496. Its totient is φ = 20921535360.

The previous prime is 25026256193. The next prime is 25026256217. The reversal of 25026256213 is 31265262052.

It is a cyclic number.

It is not a de Polignac number, because 25026256213 - 2⁵ = 25026256181 is a prime.

It is a super-2 number, since 2×25026256213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25026256217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1097395 + ... + 1119967.

It is an arithmetic number, because the mean of its divisors is an integer number (1831744656).

Almost surely, 2^25026256213 is an apocalyptic number.

It is an amenable number.

25026256213 is a deficient number, since it is larger than the sum of its proper divisors (4281658283).

25026256213 is a wasteful number, since it uses less digits than its factorization.

25026256213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26484.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 25026256213 in words is "twenty-five billion, twenty-six million, two hundred fifty-six thousand, two hundred thirteen".