25210505325 has 48 divisors (see below), whose sum is σ = 41896929536. Its totient is φ = 13376275200.

The previous prime is 25210505323. The next prime is 25210505363. The reversal of 25210505325 is 52350501252.

It is not a de Polignac number, because 25210505325 - 2¹ = 25210505323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25210505292 and 25210505301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25210505323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14890179 + ... + 14891871.

Almost surely, 2^25210505325 is an apocalyptic number.

25210505325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25210505325 is a deficient number, since it is larger than the sum of its proper divisors (16686424211).

25210505325 is a wasteful number, since it uses less digits than its factorization.

25210505325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 25210505325 in words is "twenty-five billion, two hundred ten million, five hundred five thousand, three hundred twenty-five".