25209763 has 2 divisors, whose sum is σ = 25209764. Its totient is φ = 25209762.

The previous prime is 25209749. The next prime is 25209791. The reversal of 25209763 is 36790252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25209763 - 2⁹ = 25209251 is a prime.

It is not a weakly prime, because it can be changed into another prime (25206763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12604881 + 12604882.

It is an arithmetic number, because the mean of its divisors is an integer number (12604882).

Almost surely, 2^25209763 is an apocalyptic number.

25209763 is a deficient number, since it is larger than the sum of its proper divisors (1).

25209763 is an equidigital number, since it uses as much as digits as its factorization.

25209763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 25209763 is about 5020.9324831151. The cubic root of 25209763 is about 293.2172981424.

The spelling of 25209763 in words is "twenty-five million, two hundred nine thousand, seven hundred sixty-three".