63251306725 has 24 divisors (see below), whose sum is σ = 79570924992. Its totient is φ = 49866633600.

The previous prime is 63251306707. The next prime is 63251306737. The reversal of 63251306725 is 52760315236.

63251306725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63251306725 - 2¹⁵ = 63251273957 is a prime.

It is a super-3 number, since 3×63251306725³ (a number of 33 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent 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, 4968969 + ... + 4981681.

It is an arithmetic number, because the mean of its divisors is an integer number (3315455208).

Almost surely, 2^63251306725 is an apocalyptic number.

It is an amenable number.

63251306725 is a deficient number, since it is larger than the sum of its proper divisors (16319618267).

63251306725 is a wasteful number, since it uses less digits than its factorization.

63251306725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15597 (or 15592 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 63251306725 in words is "sixty-three billion, two hundred fifty-one million, three hundred six thousand, seven hundred twenty-five".