525384 has 24 divisors (see below), whose sum is σ = 1423110. Its totient is φ = 175104.

The previous prime is 525379. The next prime is 525391. The reversal of 525384 is 483525.

It can be written as a sum of positive squares in only one way, i.e., 476100 + 49284 = 690^2 + 222^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

525384 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, 3577 + ... + 3720.

2⁵²⁵³⁸⁴ is an apocalyptic number.

It is an amenable number.

525384 is an abundant number, since it is smaller than the sum of its proper divisors (897726).

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

525384 is a wasteful number, since it uses less digits than its factorization.

525384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7309 (or 7302 counting only the distinct ones).

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

The square root of 525384 is about 724.8337740475. The cubic root of 525384 is about 80.6910959713.

It can be divided in two parts, 525 and 384, that added together give a palindrome (909).

The spelling of 525384 in words is "five hundred twenty-five thousand, three hundred eighty-four".