611655243 has 8 divisors (see below), whose sum is σ = 816620688. Its totient is φ = 407229984.

The previous prime is 611655221. The next prime is 611655271. The reversal of 611655243 is 342556116.

611655243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 611655243 - 2⁹ = 611654731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (611655043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132396 + ... + 136937.

It is an arithmetic number, because the mean of its divisors is an integer number (102077586).

Almost surely, 2^611655243 is an apocalyptic number.

611655243 is a deficient number, since it is larger than the sum of its proper divisors (204965445).

611655243 is a wasteful number, since it uses less digits than its factorization.

611655243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270093.

The product of its digits is 21600, while the sum is 33.

The square root of 611655243 is about 24731.6647842397. The cubic root of 611655243 is about 848.8590195167.

The spelling of 611655243 in words is "six hundred eleven million, six hundred fifty-five thousand, two hundred forty-three".