25976953 has 4 divisors (see below), whose sum is σ = 26872740. Its totient is φ = 25081168.

The previous prime is 25976941. The next prime is 25976999. The reversal of 25976953 is 35967952.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21827584 + 4149369 = 4672^2 + 2037^2 .

It is a cyclic number.

It is not a de Polignac number, because 25976953 - 2⁵ = 25976921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25976053) 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 in 3 ways as a sum of consecutive naturals, for example, 447850 + ... + 447907.

It is an arithmetic number, because the mean of its divisors is an integer number (6718185).

Almost surely, 2^25976953 is an apocalyptic number.

It is an amenable number.

25976953 is a deficient number, since it is larger than the sum of its proper divisors (895787).

25976953 is an equidigital number, since it uses as much as digits as its factorization.

25976953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895786.

The product of its digits is 510300, while the sum is 46.

The square root of 25976953 is about 5096.7590682707. The cubic root of 25976953 is about 296.1620468012.

Subtracting 25976953 from its reverse (35967952), we obtain a palindrome (9990999).

The spelling of 25976953 in words is "twenty-five million, nine hundred seventy-six thousand, nine hundred fifty-three".