25873297 has 4 divisors (see below), whose sum is σ = 25894836. Its totient is φ = 25851760.

The previous prime is 25873283. The next prime is 25873301. The reversal of 25873297 is 79237852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6548481 + 19324816 = 2559^2 + 4396^2 .

It is a cyclic number.

It is not a de Polignac number, because 25873297 - 2²³ = 17484689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25873217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8854 + ... + 11407.

It is an arithmetic number, because the mean of its divisors is an integer number (6473709).

Almost surely, 2^25873297 is an apocalyptic number.

It is an amenable number.

25873297 is a deficient number, since it is larger than the sum of its proper divisors (21539).

25873297 is a wasteful number, since it uses less digits than its factorization.

25873297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21538.

The product of its digits is 211680, while the sum is 43.

The square root of 25873297 is about 5086.5800888220. The cubic root of 25873297 is about 295.7675959117.

The spelling of 25873297 in words is "twenty-five million, eight hundred seventy-three thousand, two hundred ninety-seven".