213553402 has 8 divisors (see below), whose sum is σ = 323440416. Its totient is φ = 105739932.

The previous prime is 213553399. The next prime is 213553423. The reversal of 213553402 is 204355312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518128 + ... + 518539.

It is an arithmetic number, because the mean of its divisors is an integer number (40430052).

Almost surely, 2^213553402 is an apocalyptic number.

213553402 is a deficient number, since it is larger than the sum of its proper divisors (109887014).

213553402 is a wasteful number, since it uses less digits than its factorization.

213553402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036772.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 213553402 is about 14613.4664607683. The cubic root of 213553402 is about 597.7260240917.

The spelling of 213553402 in words is "two hundred thirteen million, five hundred fifty-three thousand, four hundred two".