213025044 has 12 divisors (see below), whose sum is σ = 497058464. Its totient is φ = 71008344.

The previous prime is 213025031. The next prime is 213025067. The reversal of 213025044 is 440520312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 213025044.

It is a congruent number.

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, 8876032 + ... + 8876055.

Almost surely, 2^213025044 is an apocalyptic number.

It is an amenable number.

213025044 is an abundant number, since it is smaller than the sum of its proper divisors (284033420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213025044 is a wasteful number, since it uses less digits than its factorization.

213025044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17752094 (or 17752092 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 213025044 is about 14595.3774874102. The cubic root of 213025044 is about 597.2326671823.

Adding to 213025044 its reverse (440520312), we get a palindrome (653545356).

The spelling of 213025044 in words is "two hundred thirteen million, twenty-five thousand, forty-four".