25145768 has 16 divisors (see below), whose sum is σ = 47616660. Its totient is φ = 12448000.

The previous prime is 25145767. The next prime is 25145773. The reversal of 25145768 is 86754152.

It can be written as a sum of positive squares in 2 ways, for example, as 22829284 + 2316484 = 4778^2 + 1522^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25145761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14753 + ... + 16368.

Almost surely, 2^25145768 is an apocalyptic number.

It is an amenable number.

25145768 is a deficient number, since it is larger than the sum of its proper divisors (22470892).

25145768 is a wasteful number, since it uses less digits than its factorization.

25145768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31228 (or 31224 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 25145768 is about 5014.5556134118. Note that the first 3 decimals coincide. The cubic root of 25145768 is about 292.9689771345.

The spelling of 25145768 in words is "twenty-five million, one hundred forty-five thousand, seven hundred sixty-eight".