25090297 has 4 divisors (see below), whose sum is σ = 25128036. Its totient is φ = 25052560.

The previous prime is 25090291. The next prime is 25090301. The reversal of 25090297 is 79209052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24098281 + 992016 = 4909^2 + 996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25090297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25090291) 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, 17854 + ... + 19207.

It is an arithmetic number, because the mean of its divisors is an integer number (6282009).

Almost surely, 2^25090297 is an apocalyptic number.

It is an amenable number.

25090297 is a deficient number, since it is larger than the sum of its proper divisors (37739).

25090297 is an equidigital number, since it uses as much as digits as its factorization.

25090297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37738.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 25090297 is about 5009.0215611435. The cubic root of 25090297 is about 292.7533908672.

It can be divided in two parts, 25090 and 297, that multiplied together give a triangular number (7451730 = T₃₈₆₀).

The spelling of 25090297 in words is "twenty-five million, ninety thousand, two hundred ninety-seven".