25012317 has 16 divisors (see below), whose sum is σ = 36548928. Its totient is φ = 15089280.

The previous prime is 25012313. The next prime is 25012327. The reversal of 25012317 is 71321052.

It is not a de Polignac number, because 25012317 - 2² = 25012313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25012293 and 25012302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25012313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6063 + ... + 9315.

It is an arithmetic number, because the mean of its divisors is an integer number (2284308).

Almost surely, 2^25012317 is an apocalyptic number.

It is an amenable number.

25012317 is a deficient number, since it is larger than the sum of its proper divisors (11536611).

25012317 is a wasteful number, since it uses less digits than its factorization.

25012317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 25012317 is about 5001.2315483289. The cubic root of 25012317 is about 292.4497861059.

Adding to 25012317 its reverse (71321052), we get a palindrome (96333369).

The spelling of 25012317 in words is "twenty-five million, twelve thousand, three hundred seventeen".