611245 has 8 divisors (see below), whose sum is σ = 750816. Its totient is φ = 477456.

The previous prime is 611213. The next prime is 611257. The reversal of 611245 is 542116.

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 611245 - 2⁵ = 611213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207 + ... + 1636.

It is an arithmetic number, because the mean of its divisors is an integer number (93852).

2⁶¹¹²⁴⁵ is an apocalyptic number.

It is an amenable number.

611245 is a deficient number, since it is larger than the sum of its proper divisors (139571).

611245 is a wasteful number, since it uses less digits than its factorization.

611245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891.

The product of its digits is 240, while the sum is 19.

The square root of 611245 is about 781.8215909017. The cubic root of 611245 is about 84.8669197794.

The spelling of 611245 in words is "six hundred eleven thousand, two hundred forty-five".