2431393 has 2 divisors, whose sum is σ = 2431394. Its totient is φ = 2431392.

The previous prime is 2431367. The next prime is 2431409. The reversal of 2431393 is 3931342.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1669264 + 762129 = 1292^2 + 873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2431393 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2431333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215696 + 1215697.

It is an arithmetic number, because the mean of its divisors is an integer number (1215697).

2^2431393 is an apocalyptic number.

It is an amenable number.

2431393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431393 is an equidigital number, since it uses as much as digits as its factorization.

2431393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 25.

The square root of 2431393 is about 1559.2924677558. The cubic root of 2431393 is about 134.4678271882.

The spelling of 2431393 in words is "two million, four hundred thirty-one thousand, three hundred ninety-three".