632805213 has 16 divisors (see below), whose sum is σ = 865385856. Its totient is φ = 411153600.

The previous prime is 632805211. The next prime is 632805221. The reversal of 632805213 is 312508236.

It is not a de Polignac number, because 632805213 - 2¹ = 632805211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632805211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10831 + ... + 37187.

It is an arithmetic number, because the mean of its divisors is an integer number (54086616).

Almost surely, 2^632805213 is an apocalyptic number.

It is an amenable number.

632805213 is a deficient number, since it is larger than the sum of its proper divisors (232580643).

632805213 is a wasteful number, since it uses less digits than its factorization.

632805213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26564.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 632805213 is about 25155.6199088792. The cubic root of 632805213 is about 858.5323864820.

The spelling of 632805213 in words is "six hundred thirty-two million, eight hundred five thousand, two hundred thirteen".