542527525 has 6 divisors (see below), whose sum is σ = 672734162. Its totient is φ = 434022000.

The previous prime is 542527507. The next prime is 542527529. The reversal of 542527525 is 525725245.

It can be written as a sum of positive squares in 3 ways, for example, as 52215076 + 490312449 = 7226^2 + 22143^2 .

It is not a de Polignac number, because 542527525 - 2⁵ = 542527493 is a prime.

It is a super-2 number, since 2×542527525² = 588672230765251250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542527529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10850526 + ... + 10850575.

Almost surely, 2^542527525 is an apocalyptic number.

It is an amenable number.

542527525 is a deficient number, since it is larger than the sum of its proper divisors (130206637).

542527525 is a wasteful number, since it uses less digits than its factorization.

542527525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21701111 (or 21701106 counting only the distinct ones).

The product of its digits is 140000, while the sum is 37.

The square root of 542527525 is about 23292.2202677203. The cubic root of 542527525 is about 815.5938186775.

The spelling of 542527525 in words is "five hundred forty-two million, five hundred twenty-seven thousand, five hundred twenty-five".