63540252 has 36 divisors (see below), whose sum is σ = 161157360. Its totient is φ = 21108672.

The previous prime is 63540241. The next prime is 63540263. The reversal of 63540252 is 25204536.

63540252 is a `hidden beast` number, since 635 + 4 + 0 + 25 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (63540241) and next prime (63540263).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8449 + ... + 14087.

Almost surely, 2^63540252 is an apocalyptic number.

It is an amenable number.

63540252 is an abundant number, since it is smaller than the sum of its proper divisors (97617108).

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

63540252 is a wasteful number, since it uses less digits than its factorization.

63540252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962 (or 5957 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 63540252 is about 7971.2139602447. The cubic root of 63540252 is about 399.0398889776.

Adding to 63540252 its reverse (25204536), we get a palindrome (88744788).

The spelling of 63540252 in words is "sixty-three million, five hundred forty thousand, two hundred fifty-two".