4342004257 has 2 divisors, whose sum is σ = 4342004258. Its totient is φ = 4342004256.

The previous prime is 4342004237. The next prime is 4342004281. The reversal of 4342004257 is 7524002434.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4220321296 + 121682961 = 64964^2 + 11031^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4342004257 is a prime.

It is a super-2 number, since 2×4342004257² = 37706001935612244098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4342004237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2171002128 + 2171002129.

It is an arithmetic number, because the mean of its divisors is an integer number (2171002129).

Almost surely, 2^4342004257 is an apocalyptic number.

It is an amenable number.

4342004257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4342004257 is an equidigital number, since it uses as much as digits as its factorization.

4342004257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 4342004257 is about 65893.8863400847. The cubic root of 4342004257 is about 1631.4111078197.

The spelling of 4342004257 in words is "four billion, three hundred forty-two million, four thousand, two hundred fifty-seven".