2495491 has 4 divisors (see below), whose sum is σ = 2498992. Its totient is φ = 2491992.

The previous prime is 2495489. The next prime is 2495501. The reversal of 2495491 is 1945942.

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 2495491 - 2¹ = 2495489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2495461) 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, 255 + ... + 2248.

It is an arithmetic number, because the mean of its divisors is an integer number (624748).

2^2495491 is an apocalyptic number.

2495491 is a deficient number, since it is larger than the sum of its proper divisors (3501).

2495491 is an equidigital number, since it uses as much as digits as its factorization.

2495491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500.

The product of its digits is 12960, while the sum is 34.

The square root of 2495491 is about 1579.7123155815. The cubic root of 2495491 is about 135.6392363318.

The spelling of 2495491 in words is "two million, four hundred ninety-five thousand, four hundred ninety-one".