25472317 has 8 divisors (see below), whose sum is σ = 28173656. Its totient is φ = 22876992.

The previous prime is 25472309. The next prime is 25472329. The reversal of 25472317 is 71327452.

It can be written as a sum of positive squares in 4 ways, for example, as 181476 + 25290841 = 426^2 + 5029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25472317 - 2³ = 25472309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25472387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25998 + ... + 26959.

It is an arithmetic number, because the mean of its divisors is an integer number (3521707).

Almost surely, 2^25472317 is an apocalyptic number.

It is an amenable number.

25472317 is a deficient number, since it is larger than the sum of its proper divisors (2701339).

25472317 is a wasteful number, since it uses less digits than its factorization.

25472317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53007.

The product of its digits is 11760, while the sum is 31.

The square root of 25472317 is about 5047.0106994141. The cubic root of 25472317 is about 294.2317153008.

Adding to 25472317 its reverse (71327452), we get a palindrome (96799769).

The spelling of 25472317 in words is "twenty-five million, four hundred seventy-two thousand, three hundred seventeen".