539140957 has 2 divisors, whose sum is σ = 539140958. Its totient is φ = 539140956.

The previous prime is 539140867. The next prime is 539140969. The reversal of 539140957 is 759041935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 538518436 + 622521 = 23206^2 + 789^2 .

It is a cyclic number.

It is not a de Polignac number, because 539140957 - 2²⁷ = 404923229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539140457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269570478 + 269570479.

It is an arithmetic number, because the mean of its divisors is an integer number (269570479).

Almost surely, 2^539140957 is an apocalyptic number.

It is an amenable number.

539140957 is a deficient number, since it is larger than the sum of its proper divisors (1).

539140957 is an equidigital number, since it uses as much as digits as its factorization.

539140957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 539140957 is about 23219.4090579412. The cubic root of 539140957 is about 813.8932407120.

The spelling of 539140957 in words is "five hundred thirty-nine million, one hundred forty thousand, nine hundred fifty-seven".