25245242 has 8 divisors (see below), whose sum is σ = 41310432. Its totient is φ = 11475100.

The previous prime is 25245229. The next prime is 25245247. The reversal of 25245242 is 24254252.

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

It is not an unprimeable number, because it can be changed into a prime (25245247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573734 + ... + 573777.

It is an arithmetic number, because the mean of its divisors is an integer number (5163804).

Almost surely, 2^25245242 is an apocalyptic number.

25245242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25245242 is a deficient number, since it is larger than the sum of its proper divisors (16065190).

25245242 is a wasteful number, since it uses less digits than its factorization.

25245242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147524.

The product of its digits is 6400, while the sum is 26.

The square root of 25245242 is about 5024.4643495601. The cubic root of 25245242 is about 293.3547869410.

Adding to 25245242 its reverse (24254252), we get a palindrome (49499494).

The spelling of 25245242 in words is "twenty-five million, two hundred forty-five thousand, two hundred forty-two".