25288042 has 16 divisors (see below), whose sum is σ = 41801760. Its totient is φ = 11399472.

The previous prime is 25288037. The next prime is 25288079. The reversal of 25288042 is 24088252.

It is a junction number, because it is equal to n+sod(n) for n = 25287995 and 25288013.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10192 + ... + 12427.

It is an arithmetic number, because the mean of its divisors is an integer number (2612610).

Almost surely, 2^25288042 is an apocalyptic number.

25288042 is a deficient number, since it is larger than the sum of its proper divisors (16513718).

25288042 is a wasteful number, since it uses less digits than its factorization.

25288042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22677.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 25288042 is about 5028.7217063584. The cubic root of 25288042 is about 293.5204748768.

The spelling of 25288042 in words is "twenty-five million, two hundred eighty-eight thousand, forty-two".