25795447 has 4 divisors (see below), whose sum is σ = 25854120. Its totient is φ = 25736776.

The previous prime is 25795439. The next prime is 25795463. The reversal of 25795447 is 74459752.

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

It is a cyclic number.

It is not a de Polignac number, because 25795447 - 2³ = 25795439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25795747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28672 + ... + 29557.

It is an arithmetic number, because the mean of its divisors is an integer number (6463530).

Almost surely, 2^25795447 is an apocalyptic number.

25795447 is a deficient number, since it is larger than the sum of its proper divisors (58673).

25795447 is an equidigital number, since it uses as much as digits as its factorization.

25795447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58672.

The product of its digits is 352800, while the sum is 43.

The square root of 25795447 is about 5078.9218344054. The cubic root of 25795447 is about 295.4706534722.

The spelling of 25795447 in words is "twenty-five million, seven hundred ninety-five thousand, four hundred forty-seven".