25761228 has 24 divisors (see below), whose sum is σ = 60787440. Its totient is φ = 8490240.

The previous prime is 25761221. The next prime is 25761247. The reversal of 25761228 is 82216752.

It is not an unprimeable number, because it can be changed into a prime (25761221) 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, 10993 + ... + 13128.

It is an arithmetic number, because the mean of its divisors is an integer number (2532810).

Almost surely, 2^25761228 is an apocalyptic number.

It is an amenable number.

25761228 is an abundant number, since it is smaller than the sum of its proper divisors (35026212).

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

25761228 is a wasteful number, since it uses less digits than its factorization.

25761228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24217 (or 24215 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 25761228 is about 5075.5519896855. The cubic root of 25761228 is about 295.3399432686.

The spelling of 25761228 in words is "twenty-five million, seven hundred sixty-one thousand, two hundred twenty-eight".