25322497 has 4 divisors (see below), whose sum is σ = 26655280. Its totient is φ = 23989716.

The previous prime is 25322489. The next prime is 25322569. The reversal of 25322497 is 79422352.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25322497 - 2³ = 25322489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25322797) 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, 666363 + ... + 666400.

It is an arithmetic number, because the mean of its divisors is an integer number (6663820).

Almost surely, 2^25322497 is an apocalyptic number.

It is an amenable number.

25322497 is a deficient number, since it is larger than the sum of its proper divisors (1332783).

25322497 is a wasteful number, since it uses less digits than its factorization.

25322497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332782.

The product of its digits is 30240, while the sum is 34.

The square root of 25322497 is about 5032.1463611465. The cubic root of 25322497 is about 293.6537217599.

The spelling of 25322497 in words is "twenty-five million, three hundred twenty-two thousand, four hundred ninety-seven".