25736651 has 2 divisors, whose sum is σ = 25736652. Its totient is φ = 25736650.

The previous prime is 25736639. The next prime is 25736681. The reversal of 25736651 is 15663752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25736651 - 2⁶ = 25736587 is a prime.

It is not a weakly prime, because it can be changed into another prime (25736611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12868325 + 12868326.

It is an arithmetic number, because the mean of its divisors is an integer number (12868326).

Almost surely, 2^25736651 is an apocalyptic number.

25736651 is a deficient number, since it is larger than the sum of its proper divisors (1).

25736651 is an equidigital number, since it uses as much as digits as its factorization.

25736651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 25736651 is about 5073.1302959810. The cubic root of 25736651 is about 295.2459922697.

The spelling of 25736651 in words is "twenty-five million, seven hundred thirty-six thousand, six hundred fifty-one".