525868 has 18 divisors (see below), whose sum is σ = 1070916. Its totient is φ = 225288.

The previous prime is 525839. The next prime is 525869. The reversal of 525868 is 868525.

It is a d-powerful number, because it can be written as 5 + 2¹⁷ + 8² + 5⁸ + 6 + 8⁴ .

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (525869) by changing a digit.

525868 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, 1146 + ... + 1537.

2⁵²⁵⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

525868 is an abundant number, since it is smaller than the sum of its proper divisors (545048).

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

525868 is a wasteful number, since it uses less digits than its factorization.

525868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701 (or 2692 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 525868 is about 725.1675668423. The cubic root of 525868 is about 80.7158667446.

The spelling of 525868 in words is "five hundred twenty-five thousand, eight hundred sixty-eight".