25925397 has 8 divisors (see below), whose sum is σ = 34743456. Its totient is φ = 17195472.

The previous prime is 25925371. The next prime is 25925429. The reversal of 25925397 is 79352952.

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

It is not a de Polignac number, because 25925397 - 2¹⁶ = 25859861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25925327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21343 + ... + 22524.

It is an arithmetic number, because the mean of its divisors is an integer number (4342932).

Almost surely, 2^25925397 is an apocalyptic number.

It is an amenable number.

25925397 is a deficient number, since it is larger than the sum of its proper divisors (8818059).

25925397 is a wasteful number, since it uses less digits than its factorization.

25925397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44067.

The product of its digits is 170100, while the sum is 42.

The square root of 25925397 is about 5091.6988324134. The cubic root of 25925397 is about 295.9659878438.

The spelling of 25925397 in words is "twenty-five million, nine hundred twenty-five thousand, three hundred ninety-seven".