539290231 has 2 divisors, whose sum is σ = 539290232. Its totient is φ = 539290230.

The previous prime is 539290217. The next prime is 539290237. The reversal of 539290231 is 132092935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 539290231 - 2⁹ = 539289719 is a prime.

It is a super-2 number, since 2×539290231² = 581667906504066722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539290237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269645115 + 269645116.

It is an arithmetic number, because the mean of its divisors is an integer number (269645116).

Almost surely, 2^539290231 is an apocalyptic number.

539290231 is a deficient number, since it is larger than the sum of its proper divisors (1).

539290231 is an equidigital number, since it uses as much as digits as its factorization.

539290231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 539290231 is about 23222.6232583660. The cubic root of 539290231 is about 813.9683490159.

The spelling of 539290231 in words is "five hundred thirty-nine million, two hundred ninety thousand, two hundred thirty-one".