25345044 has 18 divisors (see below), whose sum is σ = 64066730. Its totient is φ = 8448336.

The previous prime is 25345039. The next prime is 25345051. The reversal of 25345044 is 44054352.

It can be written as a sum of positive squares in only one way, i.e., 24800400 + 544644 = 4980^2 + 738^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 25344999 and 25345017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 351979 + ... + 352050.

Almost surely, 2^25345044 is an apocalyptic number.

It is an amenable number.

25345044 is an abundant number, since it is smaller than the sum of its proper divisors (38721686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25345044 is a wasteful number, since it uses less digits than its factorization.

25345044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704039 (or 704034 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 25345044 is about 5034.3861592055. The cubic root of 25345044 is about 293.7408517447.

Adding to 25345044 its reverse (44054352), we get a palindrome (69399396).

The spelling of 25345044 in words is "twenty-five million, three hundred forty-five thousand, forty-four".