63925057 has 12 divisors (see below), whose sum is σ = 74801556. Its totient is φ = 54468960.

The previous prime is 63925039. The next prime is 63925079. The reversal of 63925057 is 75052936.

It can be written as a sum of positive squares in 2 ways, for example, as 33189121 + 30735936 = 5761^2 + 5544^2 .

It is a de Polignac number, because none of the positive numbers 2^k-63925057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63925087) 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, 4707 + ... + 12247.

It is an arithmetic number, because the mean of its divisors is an integer number (6233463).

Almost surely, 2^63925057 is an apocalyptic number.

It is an amenable number.

63925057 is a deficient number, since it is larger than the sum of its proper divisors (10876499).

63925057 is a wasteful number, since it uses less digits than its factorization.

63925057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7728 (or 7721 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 63925057 is about 7995.3146904922. The cubic root of 63925057 is about 399.8438077679.

It can be divided in two parts, 6392 and 5057, that added together give a square (11449 = 107²).

The spelling of 63925057 in words is "sixty-three million, nine hundred twenty-five thousand, fifty-seven".