63651252 has 24 divisors (see below), whose sum is σ = 169736896. Its totient is φ = 18186048.

The previous prime is 63651241. The next prime is 63651271. The reversal of 63651252 is 25215636.

It is a congruent number.

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, 378793 + ... + 378960.

Almost surely, 2^63651252 is an apocalyptic number.

It is an amenable number.

63651252 is an abundant number, since it is smaller than the sum of its proper divisors (106085644).

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

63651252 is a wasteful number, since it uses less digits than its factorization.

63651252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757767 (or 757765 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 63651252 is about 7978.1734751759. The cubic root of 63651252 is about 399.2721179393.

Adding to 63651252 its reverse (25215636), we get a palindrome (88866888).

It can be divided in two parts, 63651 and 252, that added together give a triangular number (63903 = T₃₅₇).

The spelling of 63651252 in words is "sixty-three million, six hundred fifty-one thousand, two hundred fifty-two".