25000000053 has 32 divisors (see below), whose sum is σ = 38904986880. Its totient is φ = 13985241600.

The previous prime is 25000000021. The next prime is 25000000111. The reversal of 25000000053 is 35000000052.

It is not a de Polignac number, because 25000000053 - 2⁵ = 25000000021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24999999969 and 25000000041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122551 + ... + 254987.

It is an arithmetic number, because the mean of its divisors is an integer number (1215780840).

Almost surely, 2^25000000053 is an apocalyptic number.

It is an amenable number.

25000000053 is a deficient number, since it is larger than the sum of its proper divisors (13904986827).

25000000053 is a wasteful number, since it uses less digits than its factorization.

25000000053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132637.

The product of its (nonzero) digits is 150, while the sum is 15.

Subtracting 25000000053 from its reverse (35000000052), we obtain a palindrome (9999999999).

The spelling of 25000000053 in words is "twenty-five billion, fifty-three", and thus it is an aban number and an uban number.