242125425 has 18 divisors (see below), whose sum is σ = 433673942. Its totient is φ = 129133440.

The previous prime is 242125421. The next prime is 242125453. The reversal of 242125425 is 524521242.

242125425 is a `hidden beast` number, since 24 + 212 + 5 + 425 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 51022449 + 191102976 = 7143^2 + 13824^2 .

It is not a de Polignac number, because 242125425 - 2² = 242125421 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242125421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 537832 + ... + 538281.

Almost surely, 2^242125425 is an apocalyptic number.

242125425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242125425 is a deficient number, since it is larger than the sum of its proper divisors (191548517).

242125425 is a wasteful number, since it uses less digits than its factorization.

242125425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076129 (or 1076121 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 242125425 is about 15560.3799760803. The cubic root of 242125425 is about 623.2756094055.

Adding to 242125425 its reverse (524521242), we get a palindrome (766646667).

The spelling of 242125425 in words is "two hundred forty-two million, one hundred twenty-five thousand, four hundred twenty-five".