540510457 has 2 divisors, whose sum is σ = 540510458. Its totient is φ = 540510456.

The previous prime is 540510431. The next prime is 540510479. The reversal of 540510457 is 754015045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422549136 + 117961321 = 20556^2 + 10861^2 .

It is a cyclic number.

It is not a de Polignac number, because 540510457 - 2¹⁵ = 540477689 is a prime.

It is not a weakly prime, because it can be changed into another prime (540519457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270255228 + 270255229.

It is an arithmetic number, because the mean of its divisors is an integer number (270255229).

Almost surely, 2^540510457 is an apocalyptic number.

It is an amenable number.

540510457 is a deficient number, since it is larger than the sum of its proper divisors (1).

540510457 is an equidigital number, since it uses as much as digits as its factorization.

540510457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 540510457 is about 23248.8807687596. The cubic root of 540510457 is about 814.5817955537.

The spelling of 540510457 in words is "five hundred forty million, five hundred ten thousand, four hundred fifty-seven".