2490005 has 8 divisors (see below), whose sum is σ = 3414912. Its totient is φ = 1707408.

The previous prime is 2489999. The next prime is 2490023. The reversal of 2490005 is 5000942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2490005 - 2⁸ = 2489749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35537 + ... + 35606.

It is an arithmetic number, because the mean of its divisors is an integer number (426864).

2^2490005 is an apocalyptic number.

It is an amenable number.

2490005 is a deficient number, since it is larger than the sum of its proper divisors (924907).

2490005 is an equidigital number, since it uses as much as digits as its factorization.

2490005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71155.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2490005 is about 1577.9749681158. The cubic root of 2490005 is about 135.5397685587.

Adding to 2490005 its reverse (5000942), we get a palindrome (7490947).

The spelling of 2490005 in words is "two million, four hundred ninety thousand, five".