525742 has 24 divisors (see below), whose sum is σ = 975024. Its totient is φ = 207552.

The previous prime is 525739. The next prime is 525769. The reversal of 525742 is 247525.

525742 = T₂₈ + T₂₉ + ... + T₁₄₆.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11163 + ... + 11209.

It is an arithmetic number, because the mean of its divisors is an integer number (40626).

2⁵²⁵⁷⁴² is an apocalyptic number.

525742 is a deficient number, since it is larger than the sum of its proper divisors (449282).

525742 is a wasteful number, since it uses less digits than its factorization.

525742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 73 counting only the distinct ones).

The product of its digits is 2800, while the sum is 25.

The square root of 525742 is about 725.0806851655. The cubic root of 525742 is about 80.7094196187.

The spelling of 525742 in words is "five hundred twenty-five thousand, seven hundred forty-two".