25045242 has 8 divisors (see below), whose sum is σ = 50090496. Its totient is φ = 8348412.

The previous prime is 25045213. The next prime is 25045243. The reversal of 25045242 is 24254052.

It is a happy number.

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

25045242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25045243) 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, 2087098 + ... + 2087109.

It is an arithmetic number, because the mean of its divisors is an integer number (6261312).

Almost surely, 2^25045242 is an apocalyptic number.

25045242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25045242 is a wasteful number, since it uses less digits than its factorization.

25045242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174212.

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

The square root of 25045242 is about 5004.5221550114. The cubic root of 25045242 is about 292.5780520756.

Adding to 25045242 its reverse (24254052), we get a palindrome (49299294).

The spelling of 25045242 in words is "twenty-five million, forty-five thousand, two hundred forty-two".