213208954 has 16 divisors (see below), whose sum is σ = 365947200. Its totient is φ = 91263744.

The previous prime is 213208943. The next prime is 213208973. The reversal of 213208954 is 459802312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3162 + ... + 20890.

It is an arithmetic number, because the mean of its divisors is an integer number (22871700).

Almost surely, 2^213208954 is an apocalyptic number.

213208954 is a deficient number, since it is larger than the sum of its proper divisors (152738246).

213208954 is a wasteful number, since it uses less digits than its factorization.

213208954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18597.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 213208954 is about 14601.6764106044. The cubic root of 213208954 is about 597.4044865211.

The spelling of 213208954 in words is "two hundred thirteen million, two hundred eight thousand, nine hundred fifty-four".