213360525 has 36 divisors (see below), whose sum is σ = 436748832. Its totient is φ = 97535520.

The previous prime is 213360509. The next prime is 213360527. The reversal of 213360525 is 525063312.

213360525 is a `hidden beast` number, since 2 + 1 + 33 + 605 + 25 = 666.

It is not a de Polignac number, because 213360525 - 2⁴ = 213360509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213360527) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 66159 + ... + 69308.

It is an arithmetic number, because the mean of its divisors is an integer number (12131912).

Almost surely, 2^213360525 is an apocalyptic number.

213360525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213360525 is an abundant number, since it is smaller than the sum of its proper divisors (223388307).

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

213360525 is a wasteful number, since it uses less digits than its factorization.

213360525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135490 (or 135482 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 213360525 is about 14606.8656802204. The cubic root of 213360525 is about 597.5460186424.

The spelling of 213360525 in words is "two hundred thirteen million, three hundred sixty thousand, five hundred twenty-five".