25326117 has 6 divisors (see below), whose sum is σ = 36582182. Its totient is φ = 16884072.

The previous prime is 25326089. The next prime is 25326127. The reversal of 25326117 is 71162352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20304036 + 5022081 = 4506^2 + 2241^2 .

It is not a de Polignac number, because 25326117 - 2¹⁶ = 25260581 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 (25326127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1406998 + ... + 1407015.

Almost surely, 2^25326117 is an apocalyptic number.

It is an amenable number.

25326117 is a deficient number, since it is larger than the sum of its proper divisors (11256065).

25326117 is a wasteful number, since it uses less digits than its factorization.

25326117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814019 (or 2814016 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 25326117 is about 5032.5060357639. The cubic root of 25326117 is about 293.6677142692.

Adding to 25326117 its reverse (71162352), we get a palindrome (96488469).

It can be divided in two parts, 2532 and 6117, that added together give a square (8649 = 93²).

The spelling of 25326117 in words is "twenty-five million, three hundred twenty-six thousand, one hundred seventeen".