539793157 has 2 divisors, whose sum is σ = 539793158. Its totient is φ = 539793156.

The previous prime is 539793143. The next prime is 539793169. The reversal of 539793157 is 751397935.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440412196 + 99380961 = 20986^2 + 9969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539793157 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 539793157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539793257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269896578 + 269896579.

It is an arithmetic number, because the mean of its divisors is an integer number (269896579).

Almost surely, 2^539793157 is an apocalyptic number.

It is an amenable number.

539793157 is a deficient number, since it is larger than the sum of its proper divisors (1).

539793157 is an equidigital number, since it uses as much as digits as its factorization.

539793157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 893025, while the sum is 49.

The square root of 539793157 is about 23233.4490982290. The cubic root of 539793157 is about 814.2212979441.

The spelling of 539793157 in words is "five hundred thirty-nine million, seven hundred ninety-three thousand, one hundred fifty-seven".