6412657 has 2 divisors, whose sum is σ = 6412658. Its totient is φ = 6412656.

The previous prime is 6412643. The next prime is 6412661. The reversal of 6412657 is 7562146.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5193841 + 1218816 = 2279^2 + 1104^2 .

It is a cyclic number.

It is not a de Polignac number, because 6412657 - 2¹¹ = 6410609 is a prime.

It is a super-2 number, since 2×6412657² = 82244339599298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6412157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206328 + 3206329.

It is an arithmetic number, because the mean of its divisors is an integer number (3206329).

Almost surely, 2^6412657 is an apocalyptic number.

It is an amenable number.

6412657 is a deficient number, since it is larger than the sum of its proper divisors (1).

6412657 is an equidigital number, since it uses as much as digits as its factorization.

6412657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 6412657 is about 2532.3224518216. The cubic root of 6412657 is about 185.7858656449.

It can be divided in two parts, 64 and 12657, that added together give a palindrome (12721).

The spelling of 6412657 in words is "six million, four hundred twelve thousand, six hundred fifty-seven".