611345 has 8 divisors (see below), whose sum is σ = 838464. Its totient is φ = 419184.

The previous prime is 611333. The next prime is 611389. The reversal of 611345 is 543116.

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

It is a cyclic number.

It is not a de Polignac number, because 611345 - 2¹² = 607249 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8699 + ... + 8768.

It is an arithmetic number, because the mean of its divisors is an integer number (104808).

2⁶¹¹³⁴⁵ is an apocalyptic number.

It is an amenable number.

611345 is a deficient number, since it is larger than the sum of its proper divisors (227119).

611345 is a wasteful number, since it uses less digits than its factorization.

611345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17479.

The product of its digits is 360, while the sum is 20.

The square root of 611345 is about 781.8855414957. The cubic root of 611345 is about 84.8715476178.

The spelling of 611345 in words is "six hundred eleven thousand, three hundred forty-five".