18265363 has 2 divisors, whose sum is σ = 18265364. Its totient is φ = 18265362.

The previous prime is 18265343. The next prime is 18265367. The reversal of 18265363 is 36356281.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18265363 - 2²¹ = 16168211 is a prime.

It is not a weakly prime, because it can be changed into another prime (18265367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9132681 + 9132682.

It is an arithmetic number, because the mean of its divisors is an integer number (9132682).

Almost surely, 2^18265363 is an apocalyptic number.

18265363 is a deficient number, since it is larger than the sum of its proper divisors (1).

18265363 is an equidigital number, since it uses as much as digits as its factorization.

18265363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 18265363 is about 4273.7995975478. The cubic root of 18265363 is about 263.3557283024.

The spelling of 18265363 in words is "eighteen million, two hundred sixty-five thousand, three hundred sixty-three".