18413153 has 4 divisors (see below), whose sum is σ = 20087088. Its totient is φ = 16739220.

The previous prime is 18413149. The next prime is 18413177. The reversal of 18413153 is 35131481.

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 18413153 - 2² = 18413149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18413113) 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, 836951 + ... + 836972.

It is an arithmetic number, because the mean of its divisors is an integer number (5021772).

Almost surely, 2^18413153 is an apocalyptic number.

It is an amenable number.

18413153 is a deficient number, since it is larger than the sum of its proper divisors (1673935).

18413153 is a wasteful number, since it uses less digits than its factorization.

18413153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673934.

The product of its digits is 1440, while the sum is 26.

The square root of 18413153 is about 4291.0549984823. The cubic root of 18413153 is about 264.0641153199.

It can be divided in two parts, 1841 and 3153, that added together give a palindrome (4994).

The spelling of 18413153 in words is "eighteen million, four hundred thirteen thousand, one hundred fifty-three".