25079617 has 2 divisors, whose sum is σ = 25079618. Its totient is φ = 25079616.

The previous prime is 25079609. The next prime is 25079627. The reversal of 25079617 is 71697052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25040016 + 39601 = 5004^2 + 199^2 .

It is a cyclic number.

It is not a de Polignac number, because 25079617 - 2³ = 25079609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25079627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12539808 + 12539809.

It is an arithmetic number, because the mean of its divisors is an integer number (12539809).

Almost surely, 2^25079617 is an apocalyptic number.

It is an amenable number.

25079617 is a deficient number, since it is larger than the sum of its proper divisors (1).

25079617 is an equidigital number, since it uses as much as digits as its factorization.

25079617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 25079617 is about 5007.9553712069. The cubic root of 25079617 is about 292.7118469197.

The spelling of 25079617 in words is "twenty-five million, seventy-nine thousand, six hundred seventeen".