10431439 has 2 divisors, whose sum is σ = 10431440. Its totient is φ = 10431438.

The previous prime is 10431433. The next prime is 10431451. The reversal of 10431439 is 93413401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10431439 is a prime.

It is a super-2 number, since 2×10431439² = 217629839221442, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10431433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5215719 + 5215720.

It is an arithmetic number, because the mean of its divisors is an integer number (5215720).

Almost surely, 2^10431439 is an apocalyptic number.

10431439 is a deficient number, since it is larger than the sum of its proper divisors (1).

10431439 is an equidigital number, since it uses as much as digits as its factorization.

10431439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 10431439 is about 3229.7738310910. The cubic root of 10431439 is about 218.4983059946.

The spelling of 10431439 in words is "ten million, four hundred thirty-one thousand, four hundred thirty-nine".