6412631 has 4 divisors (see below), whose sum is σ = 6419592. Its totient is φ = 6405672.

The previous prime is 6412619. The next prime is 6412643. The reversal of 6412631 is 1362146.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (6412619) and next prime (6412643).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6412631 is a prime.

It is a super-2 number, since 2×6412631² = 82243672684322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6412597 and 6412606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6412661) 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 in 3 ways as a sum of consecutive naturals, for example, 1841 + ... + 4026.

It is an arithmetic number, because the mean of its divisors is an integer number (1604898).

Almost surely, 2^6412631 is an apocalyptic number.

6412631 is a deficient number, since it is larger than the sum of its proper divisors (6961).

6412631 is a wasteful number, since it uses less digits than its factorization.

6412631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6960.

The product of its digits is 864, while the sum is 23.

The square root of 6412631 is about 2532.3173181890. The cubic root of 6412631 is about 185.7856145561.

Adding to 6412631 its reverse (1362146), we get a palindrome (7774777).

The spelling of 6412631 in words is "six million, four hundred twelve thousand, six hundred thirty-one".