525348 has 18 divisors (see below), whose sum is σ = 1328054. Its totient is φ = 175104.

The previous prime is 525313. The next prime is 525353. The reversal of 525348 is 843525.

It can be written as a sum of positive squares in only one way, i.e., 338724 + 186624 = 582^2 + 432^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×525348² = 551981042208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

525348 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 5 ways as a sum of consecutive naturals, for example, 7261 + ... + 7332.

2⁵²⁵³⁴⁸ is an apocalyptic number.

It is an amenable number.

525348 is an abundant number, since it is smaller than the sum of its proper divisors (802706).

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

525348 is a wasteful number, since it uses less digits than its factorization.

525348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14603 (or 14598 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 525348 is about 724.8089403422. The cubic root of 525348 is about 80.6892529093.

The spelling of 525348 in words is "five hundred twenty-five thousand, three hundred forty-eight".