2531605159 has 2 divisors, whose sum is σ = 2531605160. Its totient is φ = 2531605158.

The previous prime is 2531605129. The next prime is 2531605171. The reversal of 2531605159 is 9515061352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2531605159 - 2²⁵ = 2498050727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2531605129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265802579 + 1265802580.

It is an arithmetic number, because the mean of its divisors is an integer number (1265802580).

Almost surely, 2^2531605159 is an apocalyptic number.

2531605159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531605159 is an equidigital number, since it uses as much as digits as its factorization.

2531605159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 2531605159 is about 50315.0589684639. The cubic root of 2531605159 is about 1362.9041815674.

The spelling of 2531605159 in words is "two billion, five hundred thirty-one million, six hundred five thousand, one hundred fifty-nine".