25341945 has 16 divisors (see below), whose sum is σ = 40908672. Its totient is φ = 13395200.

The previous prime is 25341941. The next prime is 25341971. The reversal of 25341945 is 54914352.

It is not a de Polignac number, because 25341945 - 2² = 25341941 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (25341941) 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, 5781 + ... + 9170.

It is an arithmetic number, because the mean of its divisors is an integer number (2556792).

Almost surely, 2^25341945 is an apocalyptic number.

It is an amenable number.

25341945 is a deficient number, since it is larger than the sum of its proper divisors (15566727).

25341945 is a wasteful number, since it uses less digits than its factorization.

25341945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15072.

The product of its digits is 21600, while the sum is 33.

The square root of 25341945 is about 5034.0783664937. The cubic root of 25341945 is about 293.7288791212.

The spelling of 25341945 in words is "twenty-five million, three hundred forty-one thousand, nine hundred forty-five".