25097 has 2 divisors, whose sum is σ = 25098. Its totient is φ = 25096.

The previous prime is 25087. The next prime is 25111. The reversal of 25097 is 79052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19321 + 5776 = 139^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 25097 - 2⁶ = 25033 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25097.

It is not a weakly prime, because it can be changed into another prime (25037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12548 + 12549.

It is an arithmetic number, because the mean of its divisors is an integer number (12549).

2²⁵⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

25097 is a deficient number, since it is larger than the sum of its proper divisors (1).

25097 is an equidigital number, since it uses as much as digits as its factorization.

25097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 25097 is about 158.4203269786. The cubic root of 25097 is about 29.2779458730.

The spelling of 25097 in words is "twenty-five thousand, ninety-seven".