25427305 has 16 divisors (see below), whose sum is σ = 32108544. Its totient is φ = 19293120.

The previous prime is 25427273. The next prime is 25427309. The reversal of 25427305 is 50372452.

It is not a de Polignac number, because 25427305 - 2⁵ = 25427273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25427309) 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, 13735 + ... + 15475.

It is an arithmetic number, because the mean of its divisors is an integer number (2006784).

Almost surely, 2^25427305 is an apocalyptic number.

It is an amenable number.

25427305 is a deficient number, since it is larger than the sum of its proper divisors (6681239).

25427305 is a wasteful number, since it uses less digits than its factorization.

25427305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 25427305 is about 5042.5494543931. The cubic root of 25427305 is about 294.0583013322.

Adding to 25427305 its reverse (50372452), we get a palindrome (75799757).

The spelling of 25427305 in words is "twenty-five million, four hundred twenty-seven thousand, three hundred five".