25417117 has 16 divisors (see below), whose sum is σ = 30136320. Its totient is φ = 21178800.

The previous prime is 25417111. The next prime is 25417151. The reversal of 25417117 is 71171452.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25417117 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 (25417111) 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, 4518 + ... + 8440.

It is an arithmetic number, because the mean of its divisors is an integer number (1883520).

Almost surely, 2^25417117 is an apocalyptic number.

It is an amenable number.

25417117 is a deficient number, since it is larger than the sum of its proper divisors (4719203).

25417117 is a wasteful number, since it uses less digits than its factorization.

25417117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984.

The product of its digits is 1960, while the sum is 28.

The square root of 25417117 is about 5041.5391499025. The cubic root of 25417117 is about 294.0190224784.

Adding to 25417117 its reverse (71171452), we get a palindrome (96588569).

It can be divided in two parts, 254 and 17117, that added together give a palindrome (17371).

The spelling of 25417117 in words is "twenty-five million, four hundred seventeen thousand, one hundred seventeen".