632663242 has 4 divisors (see below), whose sum is σ = 948994866. Its totient is φ = 316331620.

The previous prime is 632663233. The next prime is 632663261. The reversal of 632663242 is 242366236.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 588984361 + 43678881 = 24269^2 + 6609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 632663198 and 632663207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158165809 + ... + 158165812.

Almost surely, 2^632663242 is an apocalyptic number.

632663242 is a deficient number, since it is larger than the sum of its proper divisors (316331624).

632663242 is a wasteful number, since it uses less digits than its factorization.

632663242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316331623.

The product of its digits is 62208, while the sum is 34.

The square root of 632663242 is about 25152.7978960592. The cubic root of 632663242 is about 858.4681772461.

The spelling of 632663242 in words is "six hundred thirty-two million, six hundred sixty-three thousand, two hundred forty-two".