611244243 has 6 divisors (see below), whose sum is σ = 882908364. Its totient is φ = 407496156.

The previous prime is 611244229. The next prime is 611244253. The reversal of 611244243 is 342442116.

It is a happy number.

611244243 is a `hidden beast` number, since 611 + 2 + 4 + 4 + 2 + 43 = 666.

It is not a de Polignac number, because 611244243 - 2⁵ = 611244211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (611244253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33958005 + ... + 33958022.

It is an arithmetic number, because the mean of its divisors is an integer number (147151394).

Almost surely, 2^611244243 is an apocalyptic number.

611244243 is a deficient number, since it is larger than the sum of its proper divisors (271664121).

611244243 is a wasteful number, since it uses less digits than its factorization.

611244243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67916033 (or 67916030 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 611244243 is about 24723.3542020495. The cubic root of 611244243 is about 848.6688474476.

Adding to 611244243 its reverse (342442116), we get a palindrome (953686359).

The spelling of 611244243 in words is "six hundred eleven million, two hundred forty-four thousand, two hundred forty-three".