632042815 has 4 divisors (see below), whose sum is σ = 758451384. Its totient is φ = 505634248.

The previous prime is 632042773. The next prime is 632042819. The reversal of 632042815 is 518240236.

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

It is a cyclic number.

It is not a de Polignac number, because 632042815 - 2²¹ = 629945663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632042819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63204277 + ... + 63204286.

It is an arithmetic number, because the mean of its divisors is an integer number (189612846).

Almost surely, 2^632042815 is an apocalyptic number.

632042815 is a deficient number, since it is larger than the sum of its proper divisors (126408569).

632042815 is a wasteful number, since it uses less digits than its factorization.

632042815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126408568.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 632042815 is about 25140.4617101596. The cubic root of 632042815 is about 858.1874639057.

The spelling of 632042815 in words is "six hundred thirty-two million, forty-two thousand, eight hundred fifteen".