25764763 has 2 divisors, whose sum is σ = 25764764. Its totient is φ = 25764762.

The previous prime is 25764757. The next prime is 25764773. The reversal of 25764763 is 36746752.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25764763 is a prime.

It is not a weakly prime, because it can be changed into another prime (25764773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12882381 + 12882382.

It is an arithmetic number, because the mean of its divisors is an integer number (12882382).

Almost surely, 2^25764763 is an apocalyptic number.

25764763 is a deficient number, since it is larger than the sum of its proper divisors (1).

25764763 is an equidigital number, since it uses as much as digits as its factorization.

25764763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 40.

The square root of 25764763 is about 5075.9002157253. The cubic root of 25764763 is about 295.3534516690.

The spelling of 25764763 in words is "twenty-five million, seven hundred sixty-four thousand, seven hundred sixty-three".