25080917 has 2 divisors, whose sum is σ = 25080918. Its totient is φ = 25080916.

The previous prime is 25080901. The next prime is 25080941. The reversal of 25080917 is 71908052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24512401 + 568516 = 4951^2 + 754^2 .

It is a cyclic number.

It is not a de Polignac number, because 25080917 - 2⁴ = 25080901 is a prime.

It is a Chen prime.

It is equal to p_1570694 and since 25080917 and 1570694 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25080947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12540458 + 12540459.

It is an arithmetic number, because the mean of its divisors is an integer number (12540459).

Almost surely, 2^25080917 is an apocalyptic number.

It is an amenable number.

25080917 is a deficient number, since it is larger than the sum of its proper divisors (1).

25080917 is an equidigital number, since it uses as much as digits as its factorization.

25080917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 25080917 is about 5008.0851630139. The cubic root of 25080917 is about 292.7169043976.

Adding to 25080917 its reverse (71908052), we get a palindrome (96988969).

The spelling of 25080917 in words is "twenty-five million, eighty thousand, nine hundred seventeen".