38735513 has 4 divisors (see below), whose sum is σ = 38758068. Its totient is φ = 38712960.

The previous prime is 38735497. The next prime is 38735531. The reversal of 38735513 is 31553783.

38735513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2096704 + 36638809 = 1448^2 + 6053^2 .

It is a cyclic number.

It is not a de Polignac number, because 38735513 - 2⁴ = 38735497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38735563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8468 + ... + 12213.

It is an arithmetic number, because the mean of its divisors is an integer number (9689517).

Almost surely, 2^38735513 is an apocalyptic number.

It is an amenable number.

38735513 is a deficient number, since it is larger than the sum of its proper divisors (22555).

38735513 is a wasteful number, since it uses less digits than its factorization.

38735513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22554.

The product of its digits is 37800, while the sum is 35.

The square root of 38735513 is about 6223.7860663747. The cubic root of 38735513 is about 338.3527967858.

The spelling of 38735513 in words is "thirty-eight million, seven hundred thirty-five thousand, five hundred thirteen".