243783425 has 12 divisors (see below), whose sum is σ = 312716220. Its totient is φ = 188301120.

The previous prime is 243783409. The next prime is 243783431. The reversal of 243783425 is 524387342.

243783425 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 38950081 + 204833344 = 6241^2 + 14312^2 .

It is not a de Polignac number, because 243783425 - 2⁴ = 243783409 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167402 + ... + 168851.

It is an arithmetic number, because the mean of its divisors is an integer number (26059685).

Almost surely, 2^243783425 is an apocalyptic number.

243783425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243783425 is a deficient number, since it is larger than the sum of its proper divisors (68932795).

243783425 is a wasteful number, since it uses less digits than its factorization.

243783425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336292 (or 336287 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 243783425 is about 15613.5654160092. The cubic root of 243783425 is about 624.6950405571.

The spelling of 243783425 in words is "two hundred forty-three million, seven hundred eighty-three thousand, four hundred twenty-five".