25160997 has 8 divisors (see below), whose sum is σ = 35313760. Its totient is φ = 15891120.

The previous prime is 25160987. The next prime is 25161001. The reversal of 25160997 is 79906152.

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

It is not a de Polignac number, because 25160997 - 2²³ = 16772389 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 (25160957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220654 + ... + 220767.

It is an arithmetic number, because the mean of its divisors is an integer number (4414220).

Almost surely, 2^25160997 is an apocalyptic number.

It is an amenable number.

25160997 is a deficient number, since it is larger than the sum of its proper divisors (10152763).

25160997 is a wasteful number, since it uses less digits than its factorization.

25160997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441443.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 25160997 is about 5016.0738630925. The cubic root of 25160997 is about 293.0281086772.

The spelling of 25160997 in words is "twenty-five million, one hundred sixty thousand, nine hundred ninety-seven".