213200655 has 32 divisors (see below), whose sum is σ = 362734848. Its totient is φ = 106560000.

The previous prime is 213200629. The next prime is 213200677. The reversal of 213200655 is 556002312.

It is not a de Polignac number, because 213200655 - 2⁶ = 213200591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62340 + ... + 65670.

It is an arithmetic number, because the mean of its divisors is an integer number (11335464).

Almost surely, 2^213200655 is an apocalyptic number.

213200655 is a deficient number, since it is larger than the sum of its proper divisors (149534193).

213200655 is a wasteful number, since it uses less digits than its factorization.

213200655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 213200655 is about 14601.3922281404. The cubic root of 213200655 is about 597.3967352454.

Adding to 213200655 its reverse (556002312), we get a palindrome (769202967).

The spelling of 213200655 in words is "two hundred thirteen million, two hundred thousand, six hundred fifty-five".