63245656 has 8 divisors (see below), whose sum is σ = 118585620. Its totient is φ = 31622824.

The previous prime is 63245641. The next prime is 63245669. The reversal of 63245656 is 65654236.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3952846 + ... + 3952861.

Almost surely, 2^63245656 is an apocalyptic number.

It is an amenable number.

63245656 is a deficient number, since it is larger than the sum of its proper divisors (55339964).

63245656 is a wasteful number, since it uses less digits than its factorization.

63245656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7905713 (or 7905709 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

The square root of 63245656 is about 7952.7137506640. The cubic root of 63245656 is about 398.4222348251.

The spelling of 63245656 in words is "sixty-three million, two hundred forty-five thousand, six hundred fifty-six".