243025564 has 12 divisors (see below), whose sum is σ = 433319544. Its totient is φ = 119219984.

The previous prime is 243025553. The next prime is 243025589. The reversal of 243025564 is 465520342.

It is a super-2 number, since 2×243025564² = 118122849515036192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572962 + ... + 573385.

It is an arithmetic number, because the mean of its divisors is an integer number (36109962).

Almost surely, 2^243025564 is an apocalyptic number.

It is an amenable number.

243025564 is a deficient number, since it is larger than the sum of its proper divisors (190293980).

243025564 is a wasteful number, since it uses less digits than its factorization.

243025564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146404 (or 1146402 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 243025564 is about 15589.2772122379. The cubic root of 243025564 is about 624.0470289725.

The spelling of 243025564 in words is "two hundred forty-three million, twenty-five thousand, five hundred sixty-four".