25636763 has 2 divisors, whose sum is σ = 25636764. Its totient is φ = 25636762.

The previous prime is 25636747. The next prime is 25636771. The reversal of 25636763 is 36763652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25636763 - 2⁴ = 25636747 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (25636063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12818381 + 12818382.

It is an arithmetic number, because the mean of its divisors is an integer number (12818382).

Almost surely, 2^25636763 is an apocalyptic number.

25636763 is a deficient number, since it is larger than the sum of its proper divisors (1).

25636763 is an equidigital number, since it uses as much as digits as its factorization.

25636763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 38.

The square root of 25636763 is about 5063.2759158474. The cubic root of 25636763 is about 294.8635316313.

The spelling of 25636763 in words is "twenty-five million, six hundred thirty-six thousand, seven hundred sixty-three".