25940545 has 8 divisors (see below), whose sum is σ = 31420224. Its totient is φ = 20558064.

The previous prime is 25940543. The next prime is 25940557. The reversal of 25940545 is 54504952.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25940545 - 2¹ = 25940543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25940545.

It is not an unprimeable number, because it can be changed into a prime (25940543) 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 7 ways as a sum of consecutive naturals, for example, 23709 + ... + 24778.

It is an arithmetic number, because the mean of its divisors is an integer number (3927528).

Almost surely, 2^25940545 is an apocalyptic number.

It is an amenable number.

25940545 is a deficient number, since it is larger than the sum of its proper divisors (5479679).

25940545 is a wasteful number, since it uses less digits than its factorization.

25940545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48599.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 25940545 is about 5093.1861344349. The cubic root of 25940545 is about 296.0236201324.

It can be divided in two parts, 259 and 40545, that added together give a palindrome (40804).

The spelling of 25940545 in words is "twenty-five million, nine hundred forty thousand, five hundred forty-five".