246993431 has 2 divisors, whose sum is σ = 246993432. Its totient is φ = 246993430.

The previous prime is 246993371. The next prime is 246993449. The reversal of 246993431 is 134399642.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 246993431 - 2⁶ = 246993367 is a prime.

It is a super-2 number, since 2×246993431² = 122011509914303522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246993491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123496715 + 123496716.

It is an arithmetic number, because the mean of its divisors is an integer number (123496716).

Almost surely, 2^246993431 is an apocalyptic number.

246993431 is a deficient number, since it is larger than the sum of its proper divisors (1).

246993431 is an equidigital number, since it uses as much as digits as its factorization.

246993431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 41.

The square root of 246993431 is about 15716.0246563818. The cubic root of 246993431 is about 627.4249734905.

The spelling of 246993431 in words is "two hundred forty-six million, nine hundred ninety-three thousand, four hundred thirty-one".