38565413 has 2 divisors, whose sum is σ = 38565414. Its totient is φ = 38565412.

The previous prime is 38565407. The next prime is 38565451. The reversal of 38565413 is 31456583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25877569 + 12687844 = 5087^2 + 3562^2 .

It is a cyclic number.

It is not a de Polignac number, because 38565413 - 2⁶ = 38565349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38565463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19282706 + 19282707.

It is an arithmetic number, because the mean of its divisors is an integer number (19282707).

Almost surely, 2^38565413 is an apocalyptic number.

It is an amenable number.

38565413 is a deficient number, since it is larger than the sum of its proper divisors (1).

38565413 is an equidigital number, since it uses as much as digits as its factorization.

38565413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 38565413 is about 6210.1057156863. The cubic root of 38565413 is about 337.8567983413.

The spelling of 38565413 in words is "thirty-eight million, five hundred sixty-five thousand, four hundred thirteen".