2057285231 has 2 divisors, whose sum is σ = 2057285232. Its totient is φ = 2057285230.

The previous prime is 2057285221. The next prime is 2057285233. The reversal of 2057285231 is 1325827502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2057285231 - 2²² = 2053090927 is a prime.

It is a super-2 number, since 2×2057285231² = 8464845043381446722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2057285233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2057285191 and 2057285200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2057285233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028642615 + 1028642616.

It is an arithmetic number, because the mean of its divisors is an integer number (1028642616).

Almost surely, 2^2057285231 is an apocalyptic number.

2057285231 is the 24245-th centered heptagonal number.

2057285231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057285231 is an equidigital number, since it uses as much as digits as its factorization.

2057285231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 2057285231 is about 45357.3062581984. The cubic root of 2057285231 is about 1271.8371392610.

The spelling of 2057285231 in words is "two billion, fifty-seven million, two hundred eighty-five thousand, two hundred thirty-one".