618475 has 24 divisors (see below), whose sum is σ = 906192. Its totient is φ = 412800.

The previous prime is 618463. The next prime is 618509. The reversal of 618475 is 574816.

It is not a de Polignac number, because 618475 - 2⁷ = 618347 is a prime.

It is a super-2 number, since 2×618475² = 765022651250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3489 + ... + 3661.

It is an arithmetic number, because the mean of its divisors is an integer number (37758).

2⁶¹⁸⁴⁷⁵ is an apocalyptic number.

618475 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

618475 is a deficient number, since it is larger than the sum of its proper divisors (287717).

618475 is a wasteful number, since it uses less digits than its factorization.

618475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 202 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 618475 is about 786.4318152262. The cubic root of 618475 is about 85.2002200469.

It can be divided in two parts, 6 and 18475, that added together give a palindrome (18481).

The spelling of 618475 in words is "six hundred eighteen thousand, four hundred seventy-five".