612302313 has 8 divisors (see below), whose sum is σ = 933032128. Its totient is φ = 349887024.

The previous prime is 612302293. The next prime is 612302329. The reversal of 612302313 is 313203216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 612302313 - 2¹² = 612298217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 29157253 = 612302313 / (6 + 1 + 2 + 3 + 0 + 2 + 3 + 1 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 612302313.

It is not an unprimeable number, because it can be changed into a prime (612302333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14578606 + ... + 14578647.

It is an arithmetic number, because the mean of its divisors is an integer number (116629016).

Almost surely, 2^612302313 is an apocalyptic number.

It is an amenable number.

612302313 is a deficient number, since it is larger than the sum of its proper divisors (320729815).

612302313 is a wasteful number, since it uses less digits than its factorization.

612302313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29157263.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 612302313 is about 24744.7431386951. The cubic root of 612302313 is about 849.1582499707.

Adding to 612302313 its reverse (313203216), we get a palindrome (925505529).

The spelling of 612302313 in words is "six hundred twelve million, three hundred two thousand, three hundred thirteen".