25502500253 has 4 divisors (see below), whose sum is σ = 25934746080. Its totient is φ = 25070254428.

The previous prime is 25502500249. The next prime is 25502500273. The reversal of 25502500253 is 35200520552.

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 25502500253 - 2² = 25502500249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25502500273) 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, 216122825 + ... + 216122942.

It is an arithmetic number, because the mean of its divisors is an integer number (6483686520).

Almost surely, 2^25502500253 is an apocalyptic number.

It is an amenable number.

25502500253 is a deficient number, since it is larger than the sum of its proper divisors (432245827).

25502500253 is an equidigital number, since it uses as much as digits as its factorization.

25502500253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432245826.

The product of its (nonzero) digits is 15000, while the sum is 29.

The spelling of 25502500253 in words is "twenty-five billion, five hundred two million, five hundred thousand, two hundred fifty-three".