242424400025 has 12 divisors (see below), whose sum is σ = 318288977532. Its totient is φ = 182531312640.

The previous prime is 242424400021. The next prime is 242424400027. The reversal of 242424400025 is 520004424242.

242424400025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 166513216 + 242257886809 = 12904^2 + 492197^2 .

It is not a de Polignac number, because 242424400025 - 2² = 242424400021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242424400021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285204752 + ... + 285205601.

It is an arithmetic number, because the mean of its divisors is an integer number (26524081461).

Almost surely, 2^242424400025 is an apocalyptic number.

242424400025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242424400025 is a deficient number, since it is larger than the sum of its proper divisors (75864577507).

242424400025 is a wasteful number, since it uses less digits than its factorization.

242424400025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570410380 (or 570410375 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 242424400025 its reverse (520004424242), we get a palindrome (762428824267).

The spelling of 242424400025 in words is "two hundred forty-two billion, four hundred twenty-four million, four hundred thousand, twenty-five".