25400023013 has 8 divisors (see below), whose sum is σ = 26047189440. Its totient is φ = 24760896160.

The previous prime is 25400023003. The next prime is 25400023031. The reversal of 25400023013 is 31032000452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25400023013 - 2³² = 21105055717 is a prime.

It is a super-2 number, since 2×25400023013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25400023003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2003495 + ... + 2016132.

It is an arithmetic number, because the mean of its divisors is an integer number (3255898680).

Almost surely, 2^25400023013 is an apocalyptic number.

It is an amenable number.

25400023013 is a deficient number, since it is larger than the sum of its proper divisors (647166427).

25400023013 is an equidigital number, since it uses as much as digits as its factorization.

25400023013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019787.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 25400023013 its reverse (31032000452), we get a palindrome (56432023465).

The spelling of 25400023013 in words is "twenty-five billion, four hundred million, twenty-three thousand, thirteen".