525612 has 12 divisors (see below), whose sum is σ = 1226456. Its totient is φ = 175200.

The previous prime is 525607. The next prime is 525641. The reversal of 525612 is 216525.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

525612 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21889 + ... + 21912.

2⁵²⁵⁶¹² is an apocalyptic number.

It is an amenable number.

525612 is an abundant number, since it is smaller than the sum of its proper divisors (700844).

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

525612 is a wasteful number, since it uses less digits than its factorization.

525612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43808 (or 43806 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 525612 is about 724.9910344273. The cubic root of 525612 is about 80.7027667424.

The spelling of 525612 in words is "five hundred twenty-five thousand, six hundred twelve".