2431953257 has 2 divisors, whose sum is σ = 2431953258. Its totient is φ = 2431953256.

The previous prime is 2431953233. The next prime is 2431953263. The reversal of 2431953257 is 7523591342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1846506841 + 585446416 = 42971^2 + 24196^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431953257 - 2¹⁴ = 2431936873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2431953217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215976628 + 1215976629.

It is an arithmetic number, because the mean of its divisors is an integer number (1215976629).

Almost surely, 2^2431953257 is an apocalyptic number.

It is an amenable number.

2431953257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431953257 is an equidigital number, since it uses as much as digits as its factorization.

2431953257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 2431953257 is about 49314.8381017316. The cubic root of 2431953257 is about 1344.7815470495.

The spelling of 2431953257 in words is "two billion, four hundred thirty-one million, nine hundred fifty-three thousand, two hundred fifty-seven".