612355 has 4 divisors (see below), whose sum is σ = 734832. Its totient is φ = 489880.

The previous prime is 612349. The next prime is 612371. The reversal of 612355 is 553216.

It is a happy number.

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

It is not a de Polignac number, because 612355 - 2¹⁵ = 579587 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.

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 3 ways as a sum of consecutive naturals, for example, 61231 + ... + 61240.

It is an arithmetic number, because the mean of its divisors is an integer number (183708).

2⁶¹²³⁵⁵ is an apocalyptic number.

612355 is a deficient number, since it is larger than the sum of its proper divisors (122477).

612355 is a wasteful number, since it uses less digits than its factorization.

612355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122476.

The product of its digits is 900, while the sum is 22.

The square root of 612355 is about 782.5311495397. The cubic root of 612355 is about 84.9182605215.

The spelling of 612355 in words is "six hundred twelve thousand, three hundred fifty-five".