540514979 has 4 divisors (see below), whose sum is σ = 540616440. Its totient is φ = 540413520.

The previous prime is 540514951. The next prime is 540514987. The reversal of 540514979 is 979415045.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540514979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540514279) 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, 42269 + ... + 53550.

It is an arithmetic number, because the mean of its divisors is an integer number (135154110).

Almost surely, 2^540514979 is an apocalyptic number.

540514979 is a deficient number, since it is larger than the sum of its proper divisors (101461).

540514979 is an equidigital number, since it uses as much as digits as its factorization.

540514979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101460.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 540514979 is about 23248.9780205496. The cubic root of 540514979 is about 814.5840671894.

The spelling of 540514979 in words is "five hundred forty million, five hundred fourteen thousand, nine hundred seventy-nine".