25552317 has 8 divisors (see below), whose sum is σ = 38936896. Its totient is φ = 14601312.

The previous prime is 25552301. The next prime is 25552337. The reversal of 25552317 is 71325552.

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

It is not a de Polignac number, because 25552317 - 2⁴ = 25552301 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 (25552337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608368 + ... + 608409.

It is an arithmetic number, because the mean of its divisors is an integer number (4867112).

Almost surely, 2^25552317 is an apocalyptic number.

It is an amenable number.

25552317 is a deficient number, since it is larger than the sum of its proper divisors (13384579).

25552317 is a wasteful number, since it uses less digits than its factorization.

25552317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216787.

The product of its digits is 10500, while the sum is 30.

The square root of 25552317 is about 5054.9299698413. The cubic root of 25552317 is about 294.5394210861.

Adding to 25552317 its reverse (71325552), we get a palindrome (96877869).

The spelling of 25552317 in words is "twenty-five million, five hundred fifty-two thousand, three hundred seventeen".