61525363525 has 12 divisors (see below), whose sum is σ = 76294794400. Its totient is φ = 49218133680.

The previous prime is 61525363517. The next prime is 61525363567. The reversal of 61525363525 is 52536352516.

It is not a de Polignac number, because 61525363525 - 2³ = 61525363517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 781936 + ... + 857014.

Almost surely, 2^61525363525 is an apocalyptic number.

It is an amenable number.

61525363525 is a deficient number, since it is larger than the sum of its proper divisors (14769430875).

61525363525 is a wasteful number, since it uses less digits than its factorization.

61525363525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107868 (or 107863 counting only the distinct ones).

The product of its digits is 810000, while the sum is 43.

The spelling of 61525363525 in words is "sixty-one billion, five hundred twenty-five million, three hundred sixty-three thousand, five hundred twenty-five".