213255336 has 32 divisors (see below), whose sum is σ = 609301440. Its totient is φ = 60930048.

The previous prime is 213255313. The next prime is 213255353. The reversal of 213255336 is 633552312.

213255336 = 1324² + 1325² + ... + 1435².

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634521 + ... + 634856.

It is an arithmetic number, because the mean of its divisors is an integer number (19040670).

Almost surely, 2^213255336 is an apocalyptic number.

It is an amenable number.

213255336 is an abundant number, since it is smaller than the sum of its proper divisors (396046104).

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

213255336 is a wasteful number, since it uses less digits than its factorization.

213255336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269393 (or 1269389 counting only the distinct ones).

The product of its digits is 16200, while the sum is 30.

The square root of 213255336 is about 14603.2645665276. The cubic root of 213255336 is about 597.4478036603.

The spelling of 213255336 in words is "two hundred thirteen million, two hundred fifty-five thousand, three hundred thirty-six".