213403802 has 4 divisors (see below), whose sum is σ = 320105706. Its totient is φ = 106701900.

The previous prime is 213403759. The next prime is 213403891. The reversal of 213403802 is 208304312.

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., 112381201 + 101022601 = 10601^2 + 10051^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53350949 + ... + 53350952.

Almost surely, 2^213403802 is an apocalyptic number.

213403802 is a deficient number, since it is larger than the sum of its proper divisors (106701904).

213403802 is a wasteful number, since it uses less digits than its factorization.

213403802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106701903.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 213403802 is about 14608.3469975217. The cubic root of 213403802 is about 597.5864170101.

The spelling of 213403802 in words is "two hundred thirteen million, four hundred three thousand, eight hundred two".