25345153525 has 12 divisors (see below), whose sum is σ = 32158875232. Its totient is φ = 19804584240.

The previous prime is 25345153517. The next prime is 25345153529. The reversal of 25345153525 is 52535154352.

It is not a de Polignac number, because 25345153525 - 2³ = 25345153517 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 (25345153529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11787369 + ... + 11789518.

Almost surely, 2^25345153525 is an apocalyptic number.

25345153525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25345153525 is a deficient number, since it is larger than the sum of its proper divisors (6813721707).

25345153525 is a wasteful number, since it uses less digits than its factorization.

25345153525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23576940 (or 23576935 counting only the distinct ones).

The product of its digits is 450000, while the sum is 40.

The spelling of 25345153525 in words is "twenty-five billion, three hundred forty-five million, one hundred fifty-three thousand, five hundred twenty-five".