213025524 has 24 divisors (see below), whose sum is σ = 497575008. Its totient is φ = 70934880.

The previous prime is 213025513. The next prime is 213025531. The reversal of 213025524 is 425520312.

It is a junction number, because it is equal to n+sod(n) for n = 213025494 and 213025503.

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 in 7 ways as a sum of consecutive naturals, for example, 3559 + ... + 20945.

It is an arithmetic number, because the mean of its divisors is an integer number (20732292).

Almost surely, 2^213025524 is an apocalyptic number.

It is an amenable number.

213025524 is an abundant number, since it is smaller than the sum of its proper divisors (284549484).

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

213025524 is a wasteful number, since it uses less digits than its factorization.

213025524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18415 (or 18413 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 213025524 is about 14595.3939309633. The cubic root of 213025524 is about 597.2331157547.

Adding to 213025524 its reverse (425520312), we get a palindrome (638545836).

The spelling of 213025524 in words is "two hundred thirteen million, twenty-five thousand, five hundred twenty-four".