213200255 has 4 divisors (see below), whose sum is σ = 255840312. Its totient is φ = 170560200.

The previous prime is 213200243. The next prime is 213200269. The reversal of 213200255 is 552002312.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 213200255 - 2⁸ = 213199999 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 21320021 + ... + 21320030.

It is an arithmetic number, because the mean of its divisors is an integer number (63960078).

Almost surely, 2^213200255 is an apocalyptic number.

213200255 is a deficient number, since it is larger than the sum of its proper divisors (42640057).

213200255 is an equidigital number, since it uses as much as digits as its factorization.

213200255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42640056.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 213200255 is about 14601.3785308100. The cubic root of 213200255 is about 597.3963616398.

Adding to 213200255 its reverse (552002312), we get a palindrome (765202567).

The spelling of 213200255 in words is "two hundred thirteen million, two hundred thousand, two hundred fifty-five".