540979525 has 12 divisors (see below), whose sum is σ = 710274852. Its totient is φ = 407325440.

The previous prime is 540979519. The next prime is 540979531. The reversal of 540979525 is 525979045.

It is an interprime number because it is at equal distance from previous prime (540979519) and next prime (540979531).

It can be written as a sum of positive squares in 6 ways, for example, as 33558849 + 507420676 = 5793^2 + 22526^2 .

It is not a de Polignac number, because 540979525 - 2¹¹ = 540977477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 636022 + ... + 636871.

It is an arithmetic number, because the mean of its divisors is an integer number (59189571).

Almost surely, 2^540979525 is an apocalyptic number.

It is an amenable number.

540979525 is a deficient number, since it is larger than the sum of its proper divisors (169295327).

540979525 is a wasteful number, since it uses less digits than its factorization.

540979525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272920 (or 1272915 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 46.

The square root of 540979525 is about 23258.9665505585. The cubic root of 540979525 is about 814.8173653265.

The spelling of 540979525 in words is "five hundred forty million, nine hundred seventy-nine thousand, five hundred twenty-five".