6345431 has 2 divisors, whose sum is σ = 6345432. Its totient is φ = 6345430.

The previous prime is 6345419. The next prime is 6345439. The reversal of 6345431 is 1345436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6345431 - 2¹⁰ = 6344407 is a prime.

It is a super-2 number, since 2×6345431² = 80528989151522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6345431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6345439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3172715 + 3172716.

It is an arithmetic number, because the mean of its divisors is an integer number (3172716).

Almost surely, 2^6345431 is an apocalyptic number.

6345431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6345431 is an equidigital number, since it uses as much as digits as its factorization.

6345431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 6345431 is about 2519.0138943642. The cubic root of 6345431 is about 185.1343654985.

It can be divided in two parts, 6345 and 431, that added together give a palindrome (6776).

The spelling of 6345431 in words is "six million, three hundred forty-five thousand, four hundred thirty-one".