25252497 has 12 divisors (see below), whose sum is σ = 38621700. Its totient is φ = 15844608.

The previous prime is 25252457. The next prime is 25252529. The reversal of 25252497 is 79425252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22695696 + 2556801 = 4764^2 + 1599^2 .

It is not a de Polignac number, because 25252497 - 2¹⁵ = 25219729 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25252457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82372 + ... + 82677.

It is an arithmetic number, because the mean of its divisors is an integer number (3218475).

Almost surely, 2^25252497 is an apocalyptic number.

It is an amenable number.

25252497 is a deficient number, since it is larger than the sum of its proper divisors (13369203).

25252497 is a wasteful number, since it uses less digits than its factorization.

25252497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165072 (or 165069 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 25252497 is about 5025.1862652045. The cubic root of 25252497 is about 293.3828857690.

The spelling of 25252497 in words is "twenty-five million, two hundred fifty-two thousand, four hundred ninety-seven".