2490271 has 4 divisors (see below), whose sum is σ = 2846032. Its totient is φ = 2134512.

The previous prime is 2490269. The next prime is 2490283. The reversal of 2490271 is 1720942.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2490271 - 2¹ = 2490269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177870 + ... + 177883.

It is an arithmetic number, because the mean of its divisors is an integer number (711508).

2^2490271 is an apocalyptic number.

2490271 is a deficient number, since it is larger than the sum of its proper divisors (355761).

2490271 is an equidigital number, since it uses as much as digits as its factorization.

2490271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355760.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2490271 is about 1578.0592511056. The cubic root of 2490271 is about 135.5445948268.

The spelling of 2490271 in words is "two million, four hundred ninety thousand, two hundred seventy-one".