25024242 has 8 divisors (see below), whose sum is σ = 50048496. Its totient is φ = 8341412.

The previous prime is 25024229. The next prime is 25024243. The reversal of 25024242 is 24242052.

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

25024242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25024243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2085348 + ... + 2085359.

It is an arithmetic number, because the mean of its divisors is an integer number (6256062).

Almost surely, 2^25024242 is an apocalyptic number.

25024242 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.

25024242 is a wasteful number, since it uses less digits than its factorization.

25024242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170712.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 25024242 is about 5002.4236126102. The cubic root of 25024242 is about 292.4962553396.

Adding to 25024242 its reverse (24242052), we get a palindrome (49266294).

The spelling of 25024242 in words is "twenty-five million, twenty-four thousand, two hundred forty-two".