51352025425 has 24 divisors (see below), whose sum is σ = 65407813632. Its totient is φ = 39970128000.

The previous prime is 51352025399. The next prime is 51352025437. The reversal of 51352025425 is 52452025315.

It is not a de Polignac number, because 51352025425 - 2⁵ = 51352025393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307920 + ... + 444430.

It is an arithmetic number, because the mean of its divisors is an integer number (2725325568).

Almost surely, 2^51352025425 is an apocalyptic number.

It is an amenable number.

51352025425 is a deficient number, since it is larger than the sum of its proper divisors (14055788207).

51352025425 is a wasteful number, since it uses less digits than its factorization.

51352025425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136929 (or 136924 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 51352025425 in words is "fifty-one billion, three hundred fifty-two million, twenty-five thousand, four hundred twenty-five".