2857252939 has 2 divisors, whose sum is σ = 2857252940. Its totient is φ = 2857252938.

The previous prime is 2857252907. The next prime is 2857252943. The reversal of 2857252939 is 9392527582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2857252939 - 2⁵ = 2857252907 is a prime.

It is not a weakly prime, because it can be changed into another prime (2857252439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428626469 + 1428626470.

It is an arithmetic number, because the mean of its divisors is an integer number (1428626470).

Almost surely, 2^2857252939 is an apocalyptic number.

2857252939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2857252939 is an equidigital number, since it uses as much as digits as its factorization.

2857252939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 52.

The square root of 2857252939 is about 53453.2780940514. The cubic root of 2857252939 is about 1419.0016355748.

The spelling of 2857252939 in words is "two billion, eight hundred fifty-seven million, two hundred fifty-two thousand, nine hundred thirty-nine".