6345252257 has 2 divisors, whose sum is σ = 6345252258. Its totient is φ = 6345252256.

The previous prime is 6345252239. The next prime is 6345252299. The reversal of 6345252257 is 7522525436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4493154961 + 1852097296 = 67031^2 + 43036^2 .

It is a cyclic number.

It is not a de Polignac number, because 6345252257 - 2³² = 2050284961 is a prime.

It is not a weakly prime, because it can be changed into another prime (6345252157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3172626128 + 3172626129.

It is an arithmetic number, because the mean of its divisors is an integer number (3172626129).

Almost surely, 2^6345252257 is an apocalyptic number.

It is an amenable number.

6345252257 is a deficient number, since it is larger than the sum of its proper divisors (1).

6345252257 is an equidigital number, since it uses as much as digits as its factorization.

6345252257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 41.

The square root of 6345252257 is about 79657.0916930815. The cubic root of 6345252257 is about 1851.3262714623.

The spelling of 6345252257 in words is "six billion, three hundred forty-five million, two hundred fifty-two thousand, two hundred fifty-seven".