213413632 has 36 divisors (see below), whose sum is σ = 437526376. Its totient is φ = 103818240.

The previous prime is 213413623. The next prime is 213413633. The reversal of 213413632 is 236314312.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 213413597 and 213413606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213413633) 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, 1794 + ... + 20737.

Almost surely, 2^213413632 is an apocalyptic number.

It is an amenable number.

213413632 is an abundant number, since it is smaller than the sum of its proper divisors (224112744).

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

213413632 is an equidigital number, since it uses as much as digits as its factorization.

213413632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22584 (or 22570 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 213413632 is about 14608.6834451295. The cubic root of 213413632 is about 597.5955923922.

Adding to 213413632 its reverse (236314312), we get a palindrome (449727944).

The spelling of 213413632 in words is "two hundred thirteen million, four hundred thirteen thousand, six hundred thirty-two".