25528042 has 8 divisors (see below), whose sum is σ = 38336832. Its totient is φ = 12749100.

The previous prime is 25528037. The next prime is 25528049. The reversal of 25528042 is 24082552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25528042.

It is not an unprimeable number, because it can be changed into a prime (25528049) 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, 5184 + ... + 8827.

It is an arithmetic number, because the mean of its divisors is an integer number (4792104).

Almost surely, 2^25528042 is an apocalyptic number.

25528042 is a deficient number, since it is larger than the sum of its proper divisors (12808790).

25528042 is a wasteful number, since it uses less digits than its factorization.

25528042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14924.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 25528042 is about 5052.5282780010. The cubic root of 25528042 is about 294.4461195691.

The spelling of 25528042 in words is "twenty-five million, five hundred twenty-eight thousand, forty-two".