243452425 has 12 divisors (see below), whose sum is σ = 304088796. Its totient is φ = 193337600.

The previous prime is 243452423. The next prime is 243452437. The reversal of 243452425 is 524254342.

It can be written as a sum of positive squares in 6 ways, for example, as 1245456 + 242206969 = 1116^2 + 15563^2 .

It is not a de Polignac number, because 243452425 - 2¹ = 243452423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243452423) 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 11 ways as a sum of consecutive naturals, for example, 32116 + ... + 38965.

It is an arithmetic number, because the mean of its divisors is an integer number (25340733).

Almost surely, 2^243452425 is an apocalyptic number.

243452425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243452425 is a deficient number, since it is larger than the sum of its proper divisors (60636371).

243452425 is a wasteful number, since it uses less digits than its factorization.

243452425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71228 (or 71223 counting only the distinct ones).

The product of its digits is 38400, while the sum is 31.

The square root of 243452425 is about 15602.9620585323. The cubic root of 243452425 is about 624.4121833278.

The spelling of 243452425 in words is "two hundred forty-three million, four hundred fifty-two thousand, four hundred twenty-five".