25494117 has 16 divisors (see below), whose sum is σ = 37454400. Its totient is φ = 15296000.

The previous prime is 25494083. The next prime is 25494127. The reversal of 25494117 is 71149452.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25494117 - 2⁷ = 25493989 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25494127) 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, 492 + ... + 7157.

It is an arithmetic number, because the mean of its divisors is an integer number (2340900).

Almost surely, 2^25494117 is an apocalyptic number.

It is an amenable number.

25494117 is a deficient number, since it is larger than the sum of its proper divisors (11960283).

25494117 is a wasteful number, since it uses less digits than its factorization.

25494117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7764.

The product of its digits is 10080, while the sum is 33.

The square root of 25494117 is about 5049.1699317809. The cubic root of 25494117 is about 294.3156289135.

It can be divided in two parts, 2549 and 4117, that added together give a palindrome (6666).

The spelling of 25494117 in words is "twenty-five million, four hundred ninety-four thousand, one hundred seventeen".