213550255 has 12 divisors (see below), whose sum is σ = 262369800. Its totient is φ = 166859952.

The previous prime is 213550247. The next prime is 213550297. The reversal of 213550255 is 552055312.

It is not a de Polignac number, because 213550255 - 2³ = 213550247 is a prime.

It is a super-2 number, since 2×213550255² = 91207422821130050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2305 + ... + 20794.

It is an arithmetic number, because the mean of its divisors is an integer number (21864150).

Almost surely, 2^213550255 is an apocalyptic number.

213550255 is a deficient number, since it is larger than the sum of its proper divisors (48819545).

213550255 is an equidigital number, since it uses as much as digits as its factorization.

213550255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23190 (or 23147 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 213550255 is about 14613.3587857138. The cubic root of 213550255 is about 597.7230879752.

The spelling of 213550255 in words is "two hundred thirteen million, five hundred fifty thousand, two hundred fifty-five".