611073013 has 4 divisors (see below), whose sum is σ = 611361100. Its totient is φ = 610784928.

The previous prime is 611072981. The next prime is 611073017. The reversal of 611073013 is 310370116.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 177475684 + 433597329 = 13322^2 + 20823^2 .

It is a cyclic number.

It is not a de Polignac number, because 611073013 - 2⁵ = 611072981 is a prime.

It is a super-3 number, since 3×611073013³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611073017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140838 + ... + 145111.

It is an arithmetic number, because the mean of its divisors is an integer number (152840275).

Almost surely, 2^611073013 is an apocalyptic number.

It is an amenable number.

611073013 is a deficient number, since it is larger than the sum of its proper divisors (288087).

611073013 is a wasteful number, since it uses less digits than its factorization.

611073013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288086.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 611073013 is about 24719.8910394039. The cubic root of 611073013 is about 848.5895931833.

The spelling of 611073013 in words is "six hundred eleven million, seventy-three thousand, thirteen".