213555332 has 12 divisors (see below), whose sum is σ = 374181696. Its totient is φ = 106646280.

The previous prime is 213555323. The next prime is 213555341. The reversal of 213555332 is 233555312.

It is an interprime number because it is at equal distance from previous prime (213555323) and next prime (213555341).

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 213555295 and 213555304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29144 + ... + 35727.

It is an arithmetic number, because the mean of its divisors is an integer number (31181808).

Almost surely, 2^213555332 is an apocalyptic number.

It is an amenable number.

213555332 is a deficient number, since it is larger than the sum of its proper divisors (160626364).

213555332 is a wasteful number, since it uses less digits than its factorization.

213555332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65698 (or 65696 counting only the distinct ones).

The product of its digits is 13500, while the sum is 29.

The square root of 213555332 is about 14613.5324956015. The cubic root of 213555332 is about 597.7278247463.

The spelling of 213555332 in words is "two hundred thirteen million, five hundred fifty-five thousand, three hundred thirty-two".