25486317 has 12 divisors (see below), whose sum is σ = 36857340. Its totient is φ = 16970688.

The previous prime is 25486291. The next prime is 25486327. The reversal of 25486317 is 71368452.

It can be written as a sum of positive squares in 2 ways, for example, as 6380676 + 19105641 = 2526^2 + 4371^2 .

It is not a de Polignac number, because 25486317 - 2⁷ = 25486189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25486327) 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, 14059 + ... + 15767.

It is an arithmetic number, because the mean of its divisors is an integer number (3071445).

Almost surely, 2^25486317 is an apocalyptic number.

It is an amenable number.

25486317 is a deficient number, since it is larger than the sum of its proper divisors (11371023).

25486317 is a wasteful number, since it uses less digits than its factorization.

25486317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372 (or 3369 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 25486317 is about 5048.3974685042. The cubic root of 25486317 is about 294.2856102747.

The spelling of 25486317 in words is "twenty-five million, four hundred eighty-six thousand, three hundred seventeen".