25607653 has 2 divisors, whose sum is σ = 25607654. Its totient is φ = 25607652.

The previous prime is 25607651. The next prime is 25607669. The reversal of 25607653 is 35670652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16378209 + 9229444 = 4047^2 + 3038^2 .

It is a cyclic number.

It is not a de Polignac number, because 25607653 - 2¹ = 25607651 is a prime.

Together with 25607651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25607651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12803826 + 12803827.

It is an arithmetic number, because the mean of its divisors is an integer number (12803827).

Almost surely, 2^25607653 is an apocalyptic number.

It is an amenable number.

25607653 is a deficient number, since it is larger than the sum of its proper divisors (1).

25607653 is an equidigital number, since it uses as much as digits as its factorization.

25607653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 25607653 is about 5060.4004782230. The cubic root of 25607653 is about 294.7518856038.

The spelling of 25607653 in words is "twenty-five million, six hundred seven thousand, six hundred fifty-three".