213574725 has 240 divisors, whose sum is σ = 520938880. Its totient is φ = 83980800.

The previous prime is 213574703. The next prime is 213574733. The reversal of 213574725 is 527475312.

213574725 is a `hidden beast` number, since 2 + 13 + 574 + 72 + 5 = 666.

213574725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213574725 - 2⁶ = 213574661 is a prime.

It is a super-2 number, since 2×213574725² = 91228326317651250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 213574725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 3501195 + ... + 3501255.

Almost surely, 2^213574725 is an apocalyptic number.

213574725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213574725 is an abundant number, since it is smaller than the sum of its proper divisors (307364155).

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

213574725 is a wasteful number, since it uses less digits than its factorization.

213574725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 108 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 213574725 is about 14614.1960093602. The cubic root of 213574725 is about 597.7459174575.

The spelling of 213574725 in words is "two hundred thirteen million, five hundred seventy-four thousand, seven hundred twenty-five".