25434045 has 48 divisors (see below), whose sum is σ = 54268032. Its totient is φ = 10730880.

The previous prime is 25434041. The next prime is 25434089. The reversal of 25434045 is 54043452.

25434045 is a `hidden beast` number, since 254 + 3 + 404 + 5 = 666.

It is not a de Polignac number, because 25434045 - 2² = 25434041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25434041) 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 47 ways as a sum of consecutive naturals, for example, 990 + ... + 7200.

It is an arithmetic number, because the mean of its divisors is an integer number (1130584).

Almost surely, 2^25434045 is an apocalyptic number.

It is an amenable number.

25434045 is an abundant number, since it is smaller than the sum of its proper divisors (28833987).

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

25434045 is a wasteful number, since it uses less digits than its factorization.

25434045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242 (or 6239 counting only the distinct ones).

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

The square root of 25434045 is about 5043.2177228432. The cubic root of 25434045 is about 294.0842809875.

Adding to 25434045 its reverse (54043452), we get a palindrome (79477497).

The spelling of 25434045 in words is "twenty-five million, four hundred thirty-four thousand, forty-five".