25756763 has 2 divisors, whose sum is σ = 25756764. Its totient is φ = 25756762.

The previous prime is 25756747. The next prime is 25756777. The reversal of 25756763 is 36765752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25756763 - 2⁴ = 25756747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25756763.

It is not a weakly prime, because it can be changed into another prime (25756793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12878381 + 12878382.

It is an arithmetic number, because the mean of its divisors is an integer number (12878382).

Almost surely, 2^25756763 is an apocalyptic number.

25756763 is a deficient number, since it is larger than the sum of its proper divisors (1).

25756763 is an equidigital number, since it uses as much as digits as its factorization.

25756763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 41.

The square root of 25756763 is about 5075.1121169882. The cubic root of 25756763 is about 295.3228792653.

The spelling of 25756763 in words is "twenty-five million, seven hundred fifty-six thousand, seven hundred sixty-three".