618245 has 8 divisors (see below), whose sum is σ = 756216. Its totient is φ = 485056.

The previous prime is 618229. The next prime is 618253. The reversal of 618245 is 542816.

618245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 75076 + 543169 = 274^2 + 737^2 .

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

It is not a de Polignac number, because 618245 - 2⁴ = 618229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902 + ... + 1431.

It is an arithmetic number, because the mean of its divisors is an integer number (94527).

2⁶¹⁸²⁴⁵ is an apocalyptic number.

It is an amenable number.

618245 is a deficient number, since it is larger than the sum of its proper divisors (137971).

618245 is a wasteful number, since it uses less digits than its factorization.

618245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391.

The product of its digits is 1920, while the sum is 26.

The square root of 618245 is about 786.2855715324. The cubic root of 618245 is about 85.1896572485.

The spelling of 618245 in words is "six hundred eighteen thousand, two hundred forty-five".