25968945 has 16 divisors (see below), whose sum is σ = 43994880. Its totient is φ = 13035264.

The previous prime is 25968941. The next prime is 25968977. The reversal of 25968945 is 54986952.

It is not a de Polignac number, because 25968945 - 2² = 25968941 is a prime.

It is a super-2 number, since 2×25968945² = 1348772208826050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25968894 and 25968903.

It is not an unprimeable number, because it can be changed into a prime (25968941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50665 + ... + 51174.

It is an arithmetic number, because the mean of its divisors is an integer number (2749680).

Almost surely, 2^25968945 is an apocalyptic number.

It is an amenable number.

25968945 is a deficient number, since it is larger than the sum of its proper divisors (18025935).

25968945 is a wasteful number, since it uses less digits than its factorization.

25968945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101864.

The product of its digits is 777600, while the sum is 48.

The square root of 25968945 is about 5095.9734104487. The cubic root of 25968945 is about 296.1316107269.

The spelling of 25968945 in words is "twenty-five million, nine hundred sixty-eight thousand, nine hundred forty-five".