25360397 has 4 divisors (see below), whose sum is σ = 25403196. Its totient is φ = 25317600.

The previous prime is 25360381. The next prime is 25360403. The reversal of 25360397 is 79306352.

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 11417641 + 13942756 = 3379^2 + 3734^2 .

It is a cyclic number.

It is not a de Polignac number, because 25360397 - 2⁴ = 25360381 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 (25360327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20498 + ... + 21699.

It is an arithmetic number, because the mean of its divisors is an integer number (6350799).

Almost surely, 2^25360397 is an apocalyptic number.

It is an amenable number.

25360397 is a deficient number, since it is larger than the sum of its proper divisors (42799).

25360397 is an equidigital number, since it uses as much as digits as its factorization.

25360397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42798.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 25360397 is about 5035.9107418619. The cubic root of 25360397 is about 293.8001518717.

The spelling of 25360397 in words is "twenty-five million, three hundred sixty thousand, three hundred ninety-seven".