38954563 has 2 divisors, whose sum is σ = 38954564. Its totient is φ = 38954562.

The previous prime is 38954557. The next prime is 38954581. The reversal of 38954563 is 36545983.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38954563 is a prime.

It is not a weakly prime, because it can be changed into another prime (38954543) 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 as a sum of consecutive naturals, namely, 19477281 + 19477282.

It is an arithmetic number, because the mean of its divisors is an integer number (19477282).

Almost surely, 2^38954563 is an apocalyptic number.

38954563 is a deficient number, since it is larger than the sum of its proper divisors (1).

38954563 is an equidigital number, since it uses as much as digits as its factorization.

38954563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The square root of 38954563 is about 6241.3590667418. The cubic root of 38954563 is about 338.9893952821.

The spelling of 38954563 in words is "thirty-eight million, nine hundred fifty-four thousand, five hundred sixty-three".