632501399 has 4 divisors (see below), whose sum is σ = 635712264. Its totient is φ = 629290536.

The previous prime is 632501381. The next prime is 632501411. The reversal of 632501399 is 993105236.

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 632501399 - 2¹⁶ = 632435863 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 (632501329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1605137 + ... + 1605530.

It is an arithmetic number, because the mean of its divisors is an integer number (158928066).

Almost surely, 2^632501399 is an apocalyptic number.

632501399 is a deficient number, since it is larger than the sum of its proper divisors (3210865).

632501399 is a wasteful number, since it uses less digits than its factorization.

632501399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210864.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 632501399 is about 25149.5804935192. The cubic root of 632501399 is about 858.3949687812.

The spelling of 632501399 in words is "six hundred thirty-two million, five hundred one thousand, three hundred ninety-nine".