601618 has 4 divisors (see below), whose sum is σ = 902430. Its totient is φ = 300808.

The previous prime is 601607. The next prime is 601631. The reversal of 601618 is 816106.

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

It can be written as a sum of positive squares in only one way, i.e., 344569 + 257049 = 587^2 + 507^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150403 + ... + 150406.

2⁶⁰¹⁶¹⁸ is an apocalyptic number.

601618 is a deficient number, since it is larger than the sum of its proper divisors (300812).

601618 is a wasteful number, since it uses less digits than its factorization.

601618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300811.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 601618 is about 775.6403805888. The cubic root of 601618 is about 84.4190137078.

The spelling of 601618 in words is "six hundred one thousand, six hundred eighteen".