10005431 has 2 divisors, whose sum is σ = 10005432. Its totient is φ = 10005430.

The previous prime is 10005427. The next prime is 10005451. The reversal of 10005431 is 13450001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10005431 - 2² = 10005427 is a prime.

It is a super-2 number, since 2×10005431² = 200217298991522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10005421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002715 + 5002716.

It is an arithmetic number, because the mean of its divisors is an integer number (5002716).

Almost surely, 2^10005431 is an apocalyptic number.

10005431 is a deficient number, since it is larger than the sum of its proper divisors (1).

10005431 is an equidigital number, since it uses as much as digits as its factorization.

10005431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 10005431 is about 3163.1362601064. The cubic root of 10005431 is about 215.4824643939.

Adding to 10005431 its reverse (13450001), we get a palindrome (23455432).

The spelling of 10005431 in words is "ten million, five thousand, four hundred thirty-one".