2531433049 has 2 divisors, whose sum is σ = 2531433050. Its totient is φ = 2531433048.

The previous prime is 2531433017. The next prime is 2531433067. The reversal of 2531433049 is 9403341352.

2531433049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2374807824 + 156625225 = 48732^2 + 12515^2 .

It is a cyclic number.

It is not a de Polignac number, because 2531433049 - 2⁵ = 2531433017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2531433089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265716524 + 1265716525.

It is an arithmetic number, because the mean of its divisors is an integer number (1265716525).

Almost surely, 2^2531433049 is an apocalyptic number.

It is an amenable number.

2531433049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531433049 is an equidigital number, since it uses as much as digits as its factorization.

2531433049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 2531433049 is about 50313.3486164457. The cubic root of 2531433049 is about 1362.8732953984.

The spelling of 2531433049 in words is "two billion, five hundred thirty-one million, four hundred thirty-three thousand, forty-nine".