213401044 has 6 divisors (see below), whose sum is σ = 373451834. Its totient is φ = 106700520.

The previous prime is 213401039. The next prime is 213401059. The reversal of 213401044 is 440104312.

It can be written as a sum of positive squares in only one way, i.e., 195440400 + 17960644 = 13980^2 + 4238^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26675127 + ... + 26675134.

Almost surely, 2^213401044 is an apocalyptic number.

It is an amenable number.

213401044 is a deficient number, since it is larger than the sum of its proper divisors (160050790).

213401044 is a wasteful number, since it uses less digits than its factorization.

213401044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53350265 (or 53350263 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 213401044 is about 14608.2525991304. The cubic root of 213401044 is about 597.5838426254.

Adding to 213401044 its reverse (440104312), we get a palindrome (653505356).

The spelling of 213401044 in words is "two hundred thirteen million, four hundred one thousand, forty-four".