6431025525 has 12 divisors (see below), whose sum is σ = 10632628992. Its totient is φ = 3429880240.

The previous prime is 6431025511. The next prime is 6431025613. The reversal of 6431025525 is 5255201346.

It is not a de Polignac number, because 6431025525 - 2⁴ = 6431025509 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42873429 + ... + 42873578.

It is an arithmetic number, because the mean of its divisors is an integer number (886052416).

Almost surely, 2^6431025525 is an apocalyptic number.

It is an amenable number.

6431025525 is a deficient number, since it is larger than the sum of its proper divisors (4201603467).

6431025525 is a wasteful number, since it uses less digits than its factorization.

6431025525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85747020 (or 85747015 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 6431025525 is about 80193.6750934885. The cubic root of 6431025525 is about 1859.6308595110.

The spelling of 6431025525 in words is "six billion, four hundred thirty-one million, twenty-five thousand, five hundred twenty-five".