618013317 has 4 divisors (see below), whose sum is σ = 824017760. Its totient is φ = 412008876.

The previous prime is 618013313. The next prime is 618013339. The reversal of 618013317 is 713310816.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 618013317 - 2² = 618013313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618013313) 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, 103002217 + ... + 103002222.

It is an arithmetic number, because the mean of its divisors is an integer number (206004440).

Almost surely, 2^618013317 is an apocalyptic number.

It is an amenable number.

618013317 is a deficient number, since it is larger than the sum of its proper divisors (206004443).

618013317 is a wasteful number, since it uses less digits than its factorization.

618013317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206004442.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 618013317 is about 24859.8736320199. The cubic root of 618013317 is about 851.7901450905.

The spelling of 618013317 in words is "six hundred eighteen million, thirteen thousand, three hundred seventeen".