63497956 has 6 divisors (see below), whose sum is σ = 111121430. Its totient is φ = 31748976.

The previous prime is 63497947. The next prime is 63497969. The reversal of 63497956 is 65979436.

It can be written as a sum of positive squares in only one way, i.e., 35046400 + 28451556 = 5920^2 + 5334^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7937241 + ... + 7937248.

Almost surely, 2^63497956 is an apocalyptic number.

It is an amenable number.

63497956 is a deficient number, since it is larger than the sum of its proper divisors (47623474).

63497956 is a wasteful number, since it uses less digits than its factorization.

63497956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15874493 (or 15874491 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 49.

The square root of 63497956 is about 7968.5604722560. The cubic root of 63497956 is about 398.9513281208.

The spelling of 63497956 in words is "sixty-three million, four hundred ninety-seven thousand, nine hundred fifty-six".