38165563 has 2 divisors, whose sum is σ = 38165564. Its totient is φ = 38165562.

The previous prime is 38165549. The next prime is 38165573. The reversal of 38165563 is 36556183.

38165563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (36556183) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38165563 is a prime.

It is a super-2 number, since 2×38165563² = 2913220398213938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38165503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19082781 + 19082782.

It is an arithmetic number, because the mean of its divisors is an integer number (19082782).

Almost surely, 2^38165563 is an apocalyptic number.

38165563 is a deficient number, since it is larger than the sum of its proper divisors (1).

38165563 is an equidigital number, since it uses as much as digits as its factorization.

38165563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The square root of 38165563 is about 6177.8283401208. The cubic root of 38165563 is about 336.6850953325.

The spelling of 38165563 in words is "thirty-eight million, one hundred sixty-five thousand, five hundred sixty-three".