25025005002553 has 4 divisors (see below), whose sum is σ = 25048027087360. Its totient is φ = 25001982917748.

The previous prime is 25025005002539. The next prime is 25025005002563. The reversal of 25025005002553 is 35520050052052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25025005002553 - 2²⁵ = 25024971448121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25025005002523) 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, 11511040773 + ... + 11511042946.

It is an arithmetic number, because the mean of its divisors is an integer number (6262006771840).

Almost surely, 2^{25025005002553} is an apocalyptic number.

It is an amenable number.

25025005002553 is a deficient number, since it is larger than the sum of its proper divisors (23022084807).

25025005002553 is a wasteful number, since it uses less digits than its factorization.

25025005002553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23022084806.

The product of its (nonzero) digits is 75000, while the sum is 34.

The spelling of 25025005002553 in words is "twenty-five trillion, twenty-five billion, five million, two thousand, five hundred fifty-three".