612313 has 16 divisors (see below), whose sum is σ = 723520. Its totient is φ = 513216.

The previous prime is 612307. The next prime is 612317. The reversal of 612313 is 313216.

It is a cyclic number.

It is not a de Polignac number, because 612313 - 2⁹ = 611801 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9106 + ... + 9172.

It is an arithmetic number, because the mean of its divisors is an integer number (45220).

2⁶¹²³¹³ is an apocalyptic number.

It is an amenable number.

612313 is a deficient number, since it is larger than the sum of its proper divisors (111207).

612313 is a wasteful number, since it uses less digits than its factorization.

612313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136.

The product of its digits is 108, while the sum is 16.

The square root of 612313 is about 782.5043130872. The cubic root of 612313 is about 84.9163190287.

Adding to 612313 its reverse (313216), we get a palindrome (925529).

The spelling of 612313 in words is "six hundred twelve thousand, three hundred thirteen".