612315 has 24 divisors (see below), whose sum is σ = 1158768. Its totient is φ = 296640.

The previous prime is 612307. The next prime is 612317. The reversal of 612315 is 513216.

It is not a de Polignac number, because 612315 - 2³ = 612307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124 + ... + 1113.

It is an arithmetic number, because the mean of its divisors is an integer number (48282).

2⁶¹²³¹⁵ is an apocalyptic number.

612315 is a deficient number, since it is larger than the sum of its proper divisors (546453).

612315 is a wasteful number, since it uses less digits than its factorization.

612315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259 (or 1256 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 612315 is about 782.5055910343. The cubic root of 612315 is about 84.9164114828.

Subtracting from 612315 its reverse (513216), we obtain a palindrome (99099).

It can be divided in two parts, 6 and 12315, that added together give a palindrome (12321).

The spelling of 612315 in words is "six hundred twelve thousand, three hundred fifteen".