540510577 has 4 divisors (see below), whose sum is σ = 542520180. Its totient is φ = 538500976.

The previous prime is 540510571. The next prime is 540510587. The reversal of 540510577 is 775015045.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 325477681 + 215032896 = 18041^2 + 14664^2 .

It is a cyclic number.

It is not a de Polignac number, because 540510577 - 2²³ = 532121969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540510571) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1004398 + ... + 1004935.

It is an arithmetic number, because the mean of its divisors is an integer number (135630045).

Almost surely, 2^540510577 is an apocalyptic number.

It is an amenable number.

540510577 is a deficient number, since it is larger than the sum of its proper divisors (2009603).

540510577 is a wasteful number, since it uses less digits than its factorization.

540510577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009602.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 540510577 is about 23248.8833495289. The cubic root of 540510577 is about 814.5818558361.

The spelling of 540510577 in words is "five hundred forty million, five hundred ten thousand, five hundred seventy-seven".