25595953 has 2 divisors, whose sum is σ = 25595954. Its totient is φ = 25595952.

The previous prime is 25595909. The next prime is 25595957. The reversal of 25595953 is 35959552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14386849 + 11209104 = 3793^2 + 3348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25595953 is a prime.

It is not a weakly prime, because it can be changed into another prime (25595957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12797976 + 12797977.

It is an arithmetic number, because the mean of its divisors is an integer number (12797977).

Almost surely, 2^25595953 is an apocalyptic number.

It is an amenable number.

25595953 is a deficient number, since it is larger than the sum of its proper divisors (1).

25595953 is an equidigital number, since it uses as much as digits as its factorization.

25595953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 303750, while the sum is 43.

The square root of 25595953 is about 5059.2443111595. The cubic root of 25595953 is about 294.7069885775.

It can be divided in two parts, 2 and 5595953, that added together give a palindrome (5595955).

The spelling of 25595953 in words is "twenty-five million, five hundred ninety-five thousand, nine hundred fifty-three".