2522491 has 2 divisors, whose sum is σ = 2522492. Its totient is φ = 2522490.

The previous prime is 2522473. The next prime is 2522503. The reversal of 2522491 is 1942252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2522491 - 2⁷ = 2522363 is a prime.

It is not a weakly prime, because it can be changed into another prime (2522431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261245 + 1261246.

It is an arithmetic number, because the mean of its divisors is an integer number (1261246).

2^2522491 is an apocalyptic number.

2522491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2522491 is an equidigital number, since it uses as much as digits as its factorization.

2522491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 2522491 is about 1588.2351840959. The cubic root of 2522491 is about 136.1266661600.

The spelling of 2522491 in words is "two million, five hundred twenty-two thousand, four hundred ninety-one".