213353402 has 4 divisors (see below), whose sum is σ = 320030106. Its totient is φ = 106676700.

The previous prime is 213353333. The next prime is 213353407. The reversal of 213353402 is 204353312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 152497801 + 60855601 = 12349^2 + 7801^2 .

It is not an unprimeable number, because it can be changed into a prime (213353407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53338349 + ... + 53338352.

Almost surely, 2^213353402 is an apocalyptic number.

213353402 is a deficient number, since it is larger than the sum of its proper divisors (106676704).

213353402 is a wasteful number, since it uses less digits than its factorization.

213353402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106676703.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 213353402 is about 14606.6218544878. The cubic root of 213353402 is about 597.5393689156.

The spelling of 213353402 in words is "two hundred thirteen million, three hundred fifty-three thousand, four hundred two".