213525472 has 12 divisors (see below), whose sum is σ = 420378336. Its totient is φ = 106762720.

The previous prime is 213525469. The next prime is 213525503. The reversal of 213525472 is 274525312.

213525472 is nontrivially palindromic in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3336304 + ... + 3336367.

It is an arithmetic number, because the mean of its divisors is an integer number (35031528).

Almost surely, 2^213525472 is an apocalyptic number.

It is an amenable number.

213525472 is a deficient number, since it is larger than the sum of its proper divisors (206852864).

213525472 is an equidigital number, since it uses as much as digits as its factorization.

213525472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6672681 (or 6672673 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 213525472 is about 14612.5108041021. The cubic root of 213525472 is about 597.6999646993.

The spelling of 213525472 in words is "two hundred thirteen million, five hundred twenty-five thousand, four hundred seventy-two".