25294397 has 8 divisors (see below), whose sum is σ = 25613280. Its totient is φ = 24977680.

The previous prime is 25294393. The next prime is 25294403. The reversal of 25294397 is 79349252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25294397 - 2² = 25294393 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 (25294393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38054 + ... + 38712.

It is an arithmetic number, because the mean of its divisors is an integer number (3201660).

Almost surely, 2^25294397 is an apocalyptic number.

It is an amenable number.

25294397 is a deficient number, since it is larger than the sum of its proper divisors (318883).

25294397 is a wasteful number, since it uses less digits than its factorization.

25294397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its digits is 136080, while the sum is 41.

The square root of 25294397 is about 5029.3535369866. The cubic root of 25294397 is about 293.5450604943.

It can be divided in two parts, 252 and 94397, that added together give a palindrome (94649).

The spelling of 25294397 in words is "twenty-five million, two hundred ninety-four thousand, three hundred ninety-seven".