25560351 has 6 divisors (see below), whose sum is σ = 36920520. Its totient is φ = 17040228.

The previous prime is 25560349. The next prime is 25560389. The reversal of 25560351 is 15306552.

25560351 is a `hidden beast` number, since 2 + 5 + 5 + 603 + 51 = 666.

It is not a de Polignac number, because 25560351 - 2¹ = 25560349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25560331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1420011 + ... + 1420028.

It is an arithmetic number, because the mean of its divisors is an integer number (6153420).

Almost surely, 2^25560351 is an apocalyptic number.

25560351 is a deficient number, since it is larger than the sum of its proper divisors (11360169).

25560351 is a wasteful number, since it uses less digits than its factorization.

25560351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840045 (or 2840042 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 25560351 is about 5055.7245771501. The cubic root of 25560351 is about 294.5702869335.

It can be divided in two parts, 255 and 60351, that added together give a palindrome (60606).

The spelling of 25560351 in words is "twenty-five million, five hundred sixty thousand, three hundred fifty-one".