38576561 has 2 divisors, whose sum is σ = 38576562. Its totient is φ = 38576560.

The previous prime is 38576537. The next prime is 38576563. The reversal of 38576561 is 16567583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37210000 + 1366561 = 6100^2 + 1169^2 .

It is an emirp because it is prime and its reverse (16567583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38576561 - 2¹⁸ = 38314417 is a prime.

Together with 38576563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38576563) 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, 19288280 + 19288281.

It is an arithmetic number, because the mean of its divisors is an integer number (19288281).

Almost surely, 2^38576561 is an apocalyptic number.

It is an amenable number.

38576561 is a deficient number, since it is larger than the sum of its proper divisors (1).

38576561 is an equidigital number, since it uses as much as digits as its factorization.

38576561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 41.

The square root of 38576561 is about 6211.0032200925. The cubic root of 38576561 is about 337.8893496564.

The spelling of 38576561 in words is "thirty-eight million, five hundred seventy-six thousand, five hundred sixty-one".