25052442 has 16 divisors (see below), whose sum is σ = 50160000. Its totient is φ = 8341632.

The previous prime is 25052437. The next prime is 25052449. The reversal of 25052442 is 24425052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25052449) 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 7 ways as a sum of consecutive naturals, for example, 5823 + ... + 9165.

It is an arithmetic number, because the mean of its divisors is an integer number (3135000).

Almost surely, 2^25052442 is an apocalyptic number.

25052442 is an abundant number, since it is smaller than the sum of its proper divisors (25107558).

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

25052442 is a wasteful number, since it uses less digits than its factorization.

25052442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 25052442 is about 5005.2414527173. The cubic root of 25052442 is about 292.6060861448.

Adding to 25052442 its reverse (24425052), we get a palindrome (49477494).

The spelling of 25052442 in words is "twenty-five million, fifty-two thousand, four hundred forty-two".