25064617 has 2 divisors, whose sum is σ = 25064618. Its totient is φ = 25064616.

The previous prime is 25064597. The next prime is 25064639. The reversal of 25064617 is 71646052.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24561936 + 502681 = 4956^2 + 709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25064617 is a prime.

It is not a weakly prime, because it can be changed into another prime (25364617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12532308 + 12532309.

It is an arithmetic number, because the mean of its divisors is an integer number (12532309).

Almost surely, 2^25064617 is an apocalyptic number.

It is an amenable number.

25064617 is a deficient number, since it is larger than the sum of its proper divisors (1).

25064617 is an equidigital number, since it uses as much as digits as its factorization.

25064617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 25064617 is about 5006.4575300306. The cubic root of 25064617 is about 292.6534787590.

The spelling of 25064617 in words is "twenty-five million, sixty-four thousand, six hundred seventeen".