213230552 has 8 divisors (see below), whose sum is σ = 399807300. Its totient is φ = 106615272.

The previous prime is 213230527. The next prime is 213230579. The reversal of 213230552 is 255032312.

It is a tau number, because it is divible by the number of its divisors (8).

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, 13326902 + ... + 13326917.

Almost surely, 2^213230552 is an apocalyptic number.

It is an amenable number.

213230552 is a deficient number, since it is larger than the sum of its proper divisors (186576748).

213230552 is a wasteful number, since it uses less digits than its factorization.

213230552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26653825 (or 26653821 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 213230552 is about 14602.4159644903. The cubic root of 213230552 is about 597.4246581355.

Adding to 213230552 its reverse (255032312), we get a palindrome (468262864).

The spelling of 213230552 in words is "two hundred thirteen million, two hundred thirty thousand, five hundred fifty-two".