213250550 has 48 divisors (see below), whose sum is σ = 433579392. Its totient is φ = 77683200.

The previous prime is 213250529. The next prime is 213250579. The reversal of 213250550 is 55052312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22304 + ... + 30396.

It is an arithmetic number, because the mean of its divisors is an integer number (9032904).

Almost surely, 2^213250550 is an apocalyptic number.

213250550 is an abundant number, since it is smaller than the sum of its proper divisors (220328842).

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

213250550 is a wasteful number, since it uses less digits than its factorization.

213250550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8153 (or 8148 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 213250550 is about 14603.1006981394. The cubic root of 213250550 is about 597.4433342035.

The spelling of 213250550 in words is "two hundred thirteen million, two hundred fifty thousand, five hundred fifty".