540545525 has 12 divisors (see below), whose sum is σ = 721836612. Its totient is φ = 399171840.

The previous prime is 540545521. The next prime is 540545527. The reversal of 540545525 is 525545045.

It can be written as a sum of positive squares in 6 ways, for example, as 161620369 + 378925156 = 12713^2 + 19466^2 .

It is not a de Polignac number, because 540545525 - 2² = 540545521 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540545521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 831284 + ... + 831933.

It is an arithmetic number, because the mean of its divisors is an integer number (60153051).

Almost surely, 2^540545525 is an apocalyptic number.

It is an amenable number.

540545525 is a deficient number, since it is larger than the sum of its proper divisors (181291087).

540545525 is a wasteful number, since it uses less digits than its factorization.

540545525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663240 (or 1663235 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 35.

The square root of 540545525 is about 23249.6349433706. The cubic root of 540545525 is about 814.5994117017.

The spelling of 540545525 in words is "five hundred forty million, five hundred forty-five thousand, five hundred twenty-five".