25045434 has 12 divisors (see below), whose sum is σ = 54265146. Its totient is φ = 8348472.

The previous prime is 25045429. The next prime is 25045453. The reversal of 25045434 is 43454052.

It can be written as a sum of positive squares in only one way, i.e., 14175225 + 10870209 = 3765^2 + 3297^2 .

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 junction number, because it is equal to n+sod(n) for n = 25045398 and 25045407.

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, 695689 + ... + 695724.

Almost surely, 2^25045434 is an apocalyptic number.

25045434 is an abundant number, since it is smaller than the sum of its proper divisors (29219712).

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

25045434 is a wasteful number, since it uses less digits than its factorization.

25045434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391421 (or 1391418 counting only the distinct ones).

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

The square root of 25045434 is about 5004.5413376253. The cubic root of 25045434 is about 292.5787997205.

Adding to 25045434 its reverse (43454052), we get a palindrome (68499486).

The spelling of 25045434 in words is "twenty-five million, forty-five thousand, four hundred thirty-four".