25427017 has 16 divisors (see below), whose sum is σ = 32154624. Its totient is φ = 19530000.

The previous prime is 25426991. The next prime is 25427069. The reversal of 25427017 is 71072452.

It is not a de Polignac number, because 25427017 - 2¹¹ = 25424969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25427317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3142 + ... + 7792.

It is an arithmetic number, because the mean of its divisors is an integer number (2009664).

Almost surely, 2^25427017 is an apocalyptic number.

It is an amenable number.

25427017 is a deficient number, since it is larger than the sum of its proper divisors (6727607).

25427017 is a wasteful number, since it uses less digits than its factorization.

25427017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 25427017 is about 5042.5208973290. The cubic root of 25427017 is about 294.0571911200.

Adding to 25427017 its reverse (71072452), we get a palindrome (96499469).

It can be divided in two parts, 2542 and 7017, that added together give a palindrome (9559).

The spelling of 25427017 in words is "twenty-five million, four hundred twenty-seven thousand, seventeen".