2525191 has 2 divisors, whose sum is σ = 2525192. Its totient is φ = 2525190.

The previous prime is 2525189. The next prime is 2525219. The reversal of 2525191 is 1915252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2525191 - 2¹ = 2525189 is a prime.

Together with 2525189, it forms a pair of twin primes.

2525191 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2525161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262595 + 1262596.

It is an arithmetic number, because the mean of its divisors is an integer number (1262596).

2^2525191 is an apocalyptic number.

2525191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525191 is an equidigital number, since it uses as much as digits as its factorization.

2525191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 25.

The square root of 2525191 is about 1589.0849568226. The cubic root of 2525191 is about 136.1752174982.

The spelling of 2525191 in words is "two million, five hundred twenty-five thousand, one hundred ninety-one".