612347311 has 4 divisors (see below), whose sum is σ = 612544072. Its totient is φ = 612150552.

The previous prime is 612347279. The next prime is 612347321. The reversal of 612347311 is 113743216.

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

It is a cyclic number.

It is not a de Polignac number, because 612347311 - 2⁵ = 612347279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612347311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612347321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93636 + ... + 99961.

It is an arithmetic number, because the mean of its divisors is an integer number (153136018).

Almost surely, 2^612347311 is an apocalyptic number.

612347311 is a deficient number, since it is larger than the sum of its proper divisors (196761).

612347311 is a wasteful number, since it uses less digits than its factorization.

612347311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196760.

The product of its digits is 3024, while the sum is 28.

The square root of 612347311 is about 24745.6523656177. The cubic root of 612347311 is about 849.1790509629.

The spelling of 612347311 in words is "six hundred twelve million, three hundred forty-seven thousand, three hundred eleven".