213251024 has 20 divisors (see below), whose sum is σ = 472198944. Its totient is φ = 91393248.

The previous prime is 213251023. The next prime is 213251033. The reversal of 213251024 is 420152312.

It is a junction number, because it is equal to n+sod(n) for n = 213250987 and 213251005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213251023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951902 + ... + 952125.

Almost surely, 2^213251024 is an apocalyptic number.

It is an amenable number.

213251024 is an abundant number, since it is smaller than the sum of its proper divisors (258947920).

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

213251024 is a wasteful number, since it uses less digits than its factorization.

213251024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904042 (or 1904036 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 213251024 is about 14603.1169275604. The cubic root of 213251024 is about 597.4437768564.

The spelling of 213251024 in words is "two hundred thirteen million, two hundred fifty-one thousand, twenty-four".