525467539 has 4 divisors (see below), whose sum is σ = 528814624. Its totient is φ = 522120456.

The previous prime is 525467531. The next prime is 525467543. The reversal of 525467539 is 935764525.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 525467539 - 2³ = 525467531 is a prime.

It is a super-2 number, since 2×525467539² = 552232269085433042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525467531) 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, 1673307 + ... + 1673620.

It is an arithmetic number, because the mean of its divisors is an integer number (132203656).

Almost surely, 2^525467539 is an apocalyptic number.

525467539 is a deficient number, since it is larger than the sum of its proper divisors (3347085).

525467539 is a wasteful number, since it uses less digits than its factorization.

525467539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347084.

The product of its digits is 1134000, while the sum is 46.

The square root of 525467539 is about 22923.0787417397. The cubic root of 525467539 is about 806.9537252346.

The spelling of 525467539 in words is "five hundred twenty-five million, four hundred sixty-seven thousand, five hundred thirty-nine".