25704953 has 2 divisors, whose sum is σ = 25704954. Its totient is φ = 25704952.

The previous prime is 25704949. The next prime is 25704977. The reversal of 25704953 is 35940752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15155449 + 10549504 = 3893^2 + 3248^2 .

It is a cyclic number.

It is not a de Polignac number, because 25704953 - 2² = 25704949 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25706953) 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, 12852476 + 12852477.

It is an arithmetic number, because the mean of its divisors is an integer number (12852477).

Almost surely, 2^25704953 is an apocalyptic number.

It is an amenable number.

25704953 is a deficient number, since it is larger than the sum of its proper divisors (1).

25704953 is an equidigital number, since it uses as much as digits as its factorization.

25704953 is an odious number, because the sum of its binary digits is odd.

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

The square root of 25704953 is about 5070.0052268218. The cubic root of 25704953 is about 295.1247313198.

The spelling of 25704953 in words is "twenty-five million, seven hundred four thousand, nine hundred fifty-three".