2490931 has 2 divisors, whose sum is σ = 2490932. Its totient is φ = 2490930.

The previous prime is 2490907. The next prime is 2490941. The reversal of 2490931 is 1390942.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2490931 - 2⁵ = 2490899 is a prime.

It is a super-2 number, since 2×2490931² = 12409474493522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2490931.

It is not a weakly prime, because it can be changed into another prime (2490941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245465 + 1245466.

It is an arithmetic number, because the mean of its divisors is an integer number (1245466).

2^2490931 is an apocalyptic number.

2490931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2490931 is an equidigital number, since it uses as much as digits as its factorization.

2490931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2490931 is about 1578.2683548751. The cubic root of 2490931 is about 135.5565682935.

The spelling of 2490931 in words is "two million, four hundred ninety thousand, nine hundred thirty-one".