2312004257 has 2 divisors, whose sum is σ = 2312004258. Its totient is φ = 2312004256.

The previous prime is 2312004241. The next prime is 2312004281. The reversal of 2312004257 is 7524002132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2308706401 + 3297856 = 48049^2 + 1816^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312004257 - 2⁴ = 2312004241 is a prime.

It is a super-2 number, since 2×2312004257² = 10690727368772244098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2312004287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156002128 + 1156002129.

It is an arithmetic number, because the mean of its divisors is an integer number (1156002129).

Almost surely, 2^2312004257 is an apocalyptic number.

It is an amenable number.

2312004257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312004257 is an equidigital number, since it uses as much as digits as its factorization.

2312004257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2312004257 is about 48083.3053876291. The cubic root of 2312004257 is about 1322.2986152571.

Adding to 2312004257 its reverse (7524002132), we get a palindrome (9836006389).

The spelling of 2312004257 in words is "two billion, three hundred twelve million, four thousand, two hundred fifty-seven".