213074455 has 64 divisors (see below), whose sum is σ = 311040000. Its totient is φ = 138378240.

The previous prime is 213074441. The next prime is 213074567. The reversal of 213074455 is 554470312.

It is not a de Polignac number, because 213074455 - 2¹⁷ = 212943383 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2394051 + ... + 2394139.

It is an arithmetic number, because the mean of its divisors is an integer number (4860000).

Almost surely, 2^213074455 is an apocalyptic number.

213074455 is a deficient number, since it is larger than the sum of its proper divisors (97965545).

213074455 is a wasteful number, since it uses less digits than its factorization.

213074455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 213074455 is about 14597.0700827255. The cubic root of 213074455 is about 597.2788395032.

The spelling of 213074455 in words is "two hundred thirteen million, seventy-four thousand, four hundred fifty-five".