540265259 has 2 divisors, whose sum is σ = 540265260. Its totient is φ = 540265258.

The previous prime is 540265237. The next prime is 540265277. The reversal of 540265259 is 952562045.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540265259 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_28361495 and since 540265259 and 28361495 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (540262259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270132629 + 270132630.

It is an arithmetic number, because the mean of its divisors is an integer number (270132630).

Almost surely, 2^540265259 is an apocalyptic number.

540265259 is a deficient number, since it is larger than the sum of its proper divisors (1).

540265259 is an equidigital number, since it uses as much as digits as its factorization.

540265259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 540265259 is about 23243.6068414521. The cubic root of 540265259 is about 814.4586008744.

The spelling of 540265259 in words is "five hundred forty million, two hundred sixty-five thousand, two hundred fifty-nine".