612265 has 4 divisors (see below), whose sum is σ = 734724. Its totient is φ = 489808.

The previous prime is 612263. The next prime is 612301. The reversal of 612265 is 562216.

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 257049 + 355216 = 507^2 + 596^2 .

It is a cyclic number.

It is not a de Polignac number, because 612265 - 2¹ = 612263 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

612265 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (612263) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 61222 + ... + 61231.

It is an arithmetic number, because the mean of its divisors is an integer number (183681).

2⁶¹²²⁶⁵ is an apocalyptic number.

It is an amenable number.

612265 is a deficient number, since it is larger than the sum of its proper divisors (122459).

612265 is a wasteful number, since it uses less digits than its factorization.

612265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122458.

The product of its digits is 720, while the sum is 22.

The square root of 612265 is about 782.4736417286. The cubic root of 612265 is about 84.9141000711.

The spelling of 612265 in words is "six hundred twelve thousand, two hundred sixty-five".