6412531 has 2 divisors, whose sum is σ = 6412532. Its totient is φ = 6412530.

The previous prime is 6412499. The next prime is 6412541. The reversal of 6412531 is 1352146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6412531 - 2⁵ = 6412499 is a prime.

It is a super-2 number, since 2×6412531² = 82241107651922, which contains 22 as substring.

6412531 is a lucky number.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (6412541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206265 + 3206266.

It is an arithmetic number, because the mean of its divisors is an integer number (3206266).

Almost surely, 2^6412531 is an apocalyptic number.

6412531 is a deficient number, since it is larger than the sum of its proper divisors (1).

6412531 is an equidigital number, since it uses as much as digits as its factorization.

6412531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 6412531 is about 2532.2975733511. The cubic root of 6412531 is about 185.7846488236.

Adding to 6412531 its reverse (1352146), we get a palindrome (7764677).

The spelling of 6412531 in words is "six million, four hundred twelve thousand, five hundred thirty-one".