38565011 has 2 divisors, whose sum is σ = 38565012. Its totient is φ = 38565010.

The previous prime is 38564971. The next prime is 38565017. The reversal of 38565011 is 11056583.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38565011 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38565017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19282505 + 19282506.

It is an arithmetic number, because the mean of its divisors is an integer number (19282506).

Almost surely, 2^38565011 is an apocalyptic number.

38565011 is a deficient number, since it is larger than the sum of its proper divisors (1).

38565011 is an equidigital number, since it uses as much as digits as its factorization.

38565011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 38565011 is about 6210.0733490032. The cubic root of 38565011 is about 337.8556244146.

The spelling of 38565011 in words is "thirty-eight million, five hundred sixty-five thousand, eleven".