540115249 has 2 divisors, whose sum is σ = 540115250. Its totient is φ = 540115248.

The previous prime is 540115171. The next prime is 540115271. The reversal of 540115249 is 942511045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391762849 + 148352400 = 19793^2 + 12180^2 .

It is a cyclic number.

It is not a de Polignac number, because 540115249 - 2²⁹ = 3244337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540115249.

It is not a weakly prime, because it can be changed into another prime (540115549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270057624 + 270057625.

It is an arithmetic number, because the mean of its divisors is an integer number (270057625).

Almost surely, 2^540115249 is an apocalyptic number.

It is an amenable number.

540115249 is a deficient number, since it is larger than the sum of its proper divisors (1).

540115249 is an equidigital number, since it uses as much as digits as its factorization.

540115249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 540115249 is about 23240.3797086020. The cubic root of 540115249 is about 814.3832130642.

The spelling of 540115249 in words is "five hundred forty million, one hundred fifteen thousand, two hundred forty-nine".