2490493 has 2 divisors, whose sum is σ = 2490494. Its totient is φ = 2490492.

The previous prime is 2490479. The next prime is 2490497. The reversal of 2490493 is 3940942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2442969 + 47524 = 1563^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 2490493 - 2⁵ = 2490461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2490497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245246 + 1245247.

It is an arithmetic number, because the mean of its divisors is an integer number (1245247).

2^2490493 is an apocalyptic number.

It is an amenable number.

2490493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2490493 is an equidigital number, since it uses as much as digits as its factorization.

2490493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2490493 is about 1578.1295891022. The cubic root of 2490493 is about 135.5486225017.

The spelling of 2490493 in words is "two million, four hundred ninety thousand, four hundred ninety-three".