2491075 has 6 divisors (see below), whose sum is σ = 3088964. Its totient is φ = 1992840.

The previous prime is 2491063. The next prime is 2491081. The reversal of 2491075 is 5701942.

It is a happy number.

It is not a de Polignac number, because 2491075 - 2⁵ = 2491043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49797 + ... + 49846.

2^2491075 is an apocalyptic number.

2491075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2491075 is a deficient number, since it is larger than the sum of its proper divisors (597889).

2491075 is an equidigital number, since it uses as much as digits as its factorization.

2491075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99653 (or 99648 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2491075 is about 1578.3139738341. The cubic root of 2491075 is about 135.5591804051.

The spelling of 2491075 in words is "two million, four hundred ninety-one thousand, seventy-five".