18914053 has 4 divisors (see below), whose sum is σ = 19081548. Its totient is φ = 18746560.

The previous prime is 18914039. The next prime is 18914059. The reversal of 18914053 is 35041981.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10252804 + 8661249 = 3202^2 + 2943^2 .

It is a cyclic number.

It is not a de Polignac number, because 18914053 - 2⁹ = 18913541 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18914059) 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, 83578 + ... + 83803.

It is an arithmetic number, because the mean of its divisors is an integer number (4770387).

Almost surely, 2^18914053 is an apocalyptic number.

It is an amenable number.

18914053 is a deficient number, since it is larger than the sum of its proper divisors (167495).

18914053 is a wasteful number, since it uses less digits than its factorization.

18914053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167494.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 18914053 is about 4349.0289720810. The cubic root of 18914053 is about 266.4372038224.

The spelling of 18914053 in words is "eighteen million, nine hundred fourteen thousand, fifty-three".