38800513 has 4 divisors (see below), whose sum is σ = 38839108. Its totient is φ = 38761920.

The previous prime is 38800501. The next prime is 38800519. The reversal of 38800513 is 31500883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31500883 = 1619 ⋅19457.

It can be written as a sum of positive squares in 2 ways, for example, as 21594609 + 17205904 = 4647^2 + 4148^2 .

It is a cyclic number.

It is not a de Polignac number, because 38800513 - 2⁵ = 38800481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38800519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17748 + ... + 19813.

It is an arithmetic number, because the mean of its divisors is an integer number (9709777).

Almost surely, 2^38800513 is an apocalyptic number.

It is an amenable number.

38800513 is a deficient number, since it is larger than the sum of its proper divisors (38595).

38800513 is a wasteful number, since it uses less digits than its factorization.

38800513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38594.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 38800513 is about 6229.0057794162. The cubic root of 38800513 is about 338.5419482889.

The spelling of 38800513 in words is "thirty-eight million, eight hundred thousand, five hundred thirteen".