2490307 has 2 divisors, whose sum is σ = 2490308. Its totient is φ = 2490306.

The previous prime is 2490283. The next prime is 2490329. The reversal of 2490307 is 7030942.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2490307 is a prime.

It is not a weakly prime, because it can be changed into another prime (2490337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245153 + 1245154.

It is an arithmetic number, because the mean of its divisors is an integer number (1245154).

2^2490307 is an apocalyptic number.

2490307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2490307 is an equidigital number, since it uses as much as digits as its factorization.

2490307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2490307 is about 1578.0706574802. The cubic root of 2490307 is about 135.5452479795.

The spelling of 2490307 in words is "two million, four hundred ninety thousand, three hundred seven".