25296197 has 4 divisors (see below), whose sum is σ = 25979916. Its totient is φ = 24612480.

The previous prime is 25296143. The next prime is 25296223. The reversal of 25296197 is 79169252.

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 21077281 + 4218916 = 4591^2 + 2054^2 .

It is a cyclic number.

It is not a de Polignac number, because 25296197 - 2¹² = 25292101 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 (25296107) 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 3 ways as a sum of consecutive naturals, for example, 341804 + ... + 341877.

It is an arithmetic number, because the mean of its divisors is an integer number (6494979).

Almost surely, 2^25296197 is an apocalyptic number.

It is an amenable number.

25296197 is a deficient number, since it is larger than the sum of its proper divisors (683719).

25296197 is an equidigital number, since it uses as much as digits as its factorization.

25296197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683718.

The product of its digits is 68040, while the sum is 41.

The square root of 25296197 is about 5029.5324832433. The cubic root of 25296197 is about 293.5520234141.

The spelling of 25296197 in words is "twenty-five million, two hundred ninety-six thousand, one hundred ninety-seven".