242425825 has 24 divisors (see below), whose sum is σ = 310042656. Its totient is φ = 187920000.

The previous prime is 242425811. The next prime is 242425829. The reversal of 242425825 is 528524242.

It is not a de Polignac number, because 242425825 - 2¹³ = 242417633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242425829) 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 23 ways as a sum of consecutive naturals, for example, 166350 + ... + 167800.

It is an arithmetic number, because the mean of its divisors is an integer number (12918444).

Almost surely, 2^242425825 is an apocalyptic number.

242425825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242425825 is a deficient number, since it is larger than the sum of its proper divisors (67616831).

242425825 is a wasteful number, since it uses less digits than its factorization.

242425825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1660 counting only the distinct ones).

The product of its digits is 51200, while the sum is 34.

The square root of 242425825 is about 15570.0297045317. The cubic root of 242425825 is about 623.5332645922.

The spelling of 242425825 in words is "two hundred forty-two million, four hundred twenty-five thousand, eight hundred twenty-five".