611417641 has 4 divisors (see below), whose sum is σ = 611479252. Its totient is φ = 611356032.

The previous prime is 611417627. The next prime is 611417669. The reversal of 611417641 is 146714116.

611417641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 101606400 + 509811241 = 10080^2 + 22579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611417641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611417141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12156 + ... + 37021.

It is an arithmetic number, because the mean of its divisors is an integer number (152869813).

It is a 9924-hyperperfect number.

Almost surely, 2^611417641 is an apocalyptic number.

It is an amenable number.

611417641 is a deficient number, since it is larger than the sum of its proper divisors (61611).

611417641 is a wasteful number, since it uses less digits than its factorization.

611417641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61610.

The product of its digits is 4032, while the sum is 31.

The square root of 611417641 is about 24726.8607186598. The cubic root of 611417641 is about 848.7490900944.

The spelling of 611417641 in words is "six hundred eleven million, four hundred seventeen thousand, six hundred forty-one".