2402431 has 2 divisors, whose sum is σ = 2402432. Its totient is φ = 2402430.

The previous prime is 2402401. The next prime is 2402441. The reversal of 2402431 is 1342042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2402431 - 2¹³ = 2394239 is a prime.

It is a super-2 number, since 2×2402431² = 11543349419522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2402401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201215 + 1201216.

It is an arithmetic number, because the mean of its divisors is an integer number (1201216).

2^2402431 is an apocalyptic number.

2402431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402431 is an equidigital number, since it uses as much as digits as its factorization.

2402431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2402431 is about 1549.9777417757. The cubic root of 2402431 is about 133.9317800814.

Adding to 2402431 its reverse (1342042), we get a palindrome (3744473).

The spelling of 2402431 in words is "two million, four hundred two thousand, four hundred thirty-one".