25873397 has 16 divisors (see below), whose sum is σ = 29249664. Its totient is φ = 22680000.

The previous prime is 25873391. The next prime is 25873399. The reversal of 25873397 is 79337852.

It is a cyclic number.

It is not a de Polignac number, because 25873397 - 2¹² = 25869301 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 (25873391) 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, 61247 + ... + 61667.

It is an arithmetic number, because the mean of its divisors is an integer number (1828104).

Almost surely, 2^25873397 is an apocalyptic number.

It is an amenable number.

25873397 is a deficient number, since it is larger than the sum of its proper divisors (3376267).

25873397 is a wasteful number, since it uses less digits than its factorization.

25873397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its digits is 317520, while the sum is 44.

The square root of 25873397 is about 5086.5899185997. The cubic root of 25873397 is about 295.7679769573.

The spelling of 25873397 in words is "twenty-five million, eight hundred seventy-three thousand, three hundred ninety-seven".