18413061 has 4 divisors (see below), whose sum is σ = 24550752. Its totient is φ = 12275372.

The previous prime is 18413051. The next prime is 18413081. The reversal of 18413061 is 16031481.

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 a cyclic number.

It is not a de Polignac number, because 18413061 - 2⁵ = 18413029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18413051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3068841 + ... + 3068846.

It is an arithmetic number, because the mean of its divisors is an integer number (6137688).

Almost surely, 2^18413061 is an apocalyptic number.

It is an amenable number.

18413061 is a deficient number, since it is larger than the sum of its proper divisors (6137691).

18413061 is an equidigital number, since it uses as much as digits as its factorization.

18413061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137690.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 18413061 is about 4291.0442784945. The cubic root of 18413061 is about 264.0636755267.

The spelling of 18413061 in words is "eighteen million, four hundred thirteen thousand, sixty-one".