611687241 has 64 divisors (see below), whose sum is σ = 1021870080. Its totient is φ = 358416000.

The previous prime is 611687207. The next prime is 611687243. The reversal of 611687241 is 142786116.

It is a happy number.

611687241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 611687241 - 2⁷ = 611687113 is a prime.

It is a super-2 number, since 2×611687241² = 748322561604384162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 611687196 and 611687205.

It is not an unprimeable number, because it can be changed into a prime (611687243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2325676 + ... + 2325938.

It is an arithmetic number, because the mean of its divisors is an integer number (15966720).

Almost surely, 2^611687241 is an apocalyptic number.

It is an amenable number.

611687241 is a deficient number, since it is larger than the sum of its proper divisors (410182839).

611687241 is a wasteful number, since it uses less digits than its factorization.

611687241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 509 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 611687241 is about 24732.3116792588. The cubic root of 611687241 is about 848.8738216009.

The spelling of 611687241 in words is "six hundred eleven million, six hundred eighty-seven thousand, two hundred forty-one".