525544 has 16 divisors (see below), whose sum is σ = 993600. Its totient is φ = 260592.

The previous prime is 525541. The next prime is 525571. The reversal of 525544 is 445525.

It is not an unprimeable number, because it can be changed into a prime (525541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249 + ... + 1615.

It is an arithmetic number, because the mean of its divisors is an integer number (62100).

2⁵²⁵⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

525544 is a deficient number, since it is larger than the sum of its proper divisors (468056).

525544 is a wasteful number, since it uses less digits than its factorization.

525544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 548 counting only the distinct ones).

The product of its digits is 4000, while the sum is 25.

The square root of 525544 is about 724.9441357788. The cubic root of 525544 is about 80.6992863394.

The spelling of 525544 in words is "five hundred twenty-five thousand, five hundred forty-four".