2490457 has 4 divisors (see below), whose sum is σ = 2527696. Its totient is φ = 2453220.

The previous prime is 2490451. The next prime is 2490461. The reversal of 2490457 is 7540942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2490457 - 2⁷ = 2490329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18519 + ... + 18652.

It is an arithmetic number, because the mean of its divisors is an integer number (631924).

2^2490457 is an apocalyptic number.

It is an amenable number.

2490457 is a deficient number, since it is larger than the sum of its proper divisors (37239).

2490457 is an equidigital number, since it uses as much as digits as its factorization.

2490457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37238.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2490457 is about 1578.1181831536. The cubic root of 2490457 is about 135.5479693815.

The spelling of 2490457 in words is "two million, four hundred ninety thousand, four hundred fifty-seven".