25116607 has 2 divisors, whose sum is σ = 25116608. Its totient is φ = 25116606.

The previous prime is 25116583. The next prime is 25116617. The reversal of 25116607 is 70661152.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25116607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25116617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12558303 + 12558304.

It is an arithmetic number, because the mean of its divisors is an integer number (12558304).

Almost surely, 2^25116607 is an apocalyptic number.

25116607 is a deficient number, since it is larger than the sum of its proper divisors (1).

25116607 is an equidigital number, since it uses as much as digits as its factorization.

25116607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 25116607 is about 5011.6471344260. The cubic root of 25116607 is about 292.8556834125.

Adding to 25116607 its reverse (70661152), we get a palindrome (95777759).

The spelling of 25116607 in words is "twenty-five million, one hundred sixteen thousand, six hundred seven".