38456563 has 2 divisors, whose sum is σ = 38456564. Its totient is φ = 38456562.

The previous prime is 38456521. The next prime is 38456569. The reversal of 38456563 is 36565483.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38456563 is a prime.

It is not a weakly prime, because it can be changed into another prime (38456569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19228281 + 19228282.

It is an arithmetic number, because the mean of its divisors is an integer number (19228282).

Almost surely, 2^38456563 is an apocalyptic number.

38456563 is a deficient number, since it is larger than the sum of its proper divisors (1).

38456563 is an equidigital number, since it uses as much as digits as its factorization.

38456563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 40.

The square root of 38456563 is about 6201.3355819533. The cubic root of 38456563 is about 337.5386344433.

The spelling of 38456563 in words is "thirty-eight million, four hundred fifty-six thousand, five hundred sixty-three".