63535912 has 32 divisors (see below), whose sum is σ = 131803200. Its totient is φ = 28470400.

The previous prime is 63535909. The next prime is 63535921. The reversal of 63535912 is 21953536.

It is a happy number.

It is a super-2 number, since 2×63535912² = 8073624227343488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164 + ... + 11332.

It is an arithmetic number, because the mean of its divisors is an integer number (4118850).

Almost surely, 2^63535912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63535912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65901600).

63535912 is an abundant number, since it is smaller than the sum of its proper divisors (68267288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63535912 is a wasteful number, since it uses less digits than its factorization.

63535912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10257 (or 10253 counting only the distinct ones).

The product of its digits is 24300, while the sum is 34.

The square root of 63535912 is about 7970.9417260447. The cubic root of 63535912 is about 399.0308035422.

The spelling of 63535912 in words is "sixty-three million, five hundred thirty-five thousand, nine hundred twelve".