38324513 has 4 divisors (see below), whose sum is σ = 38341188. Its totient is φ = 38307840.

The previous prime is 38324497. The next prime is 38324519. The reversal of 38324513 is 31542383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31542383 = 619 ⋅50957.

It can be written as a sum of positive squares in 2 ways, for example, as 30162064 + 8162449 = 5492^2 + 2857^2 .

It is a cyclic number.

It is not a de Polignac number, because 38324513 - 2⁴ = 38324497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38324519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208 + ... + 9713.

It is an arithmetic number, because the mean of its divisors is an integer number (9585297).

Almost surely, 2^38324513 is an apocalyptic number.

It is an amenable number.

38324513 is a deficient number, since it is larger than the sum of its proper divisors (16675).

38324513 is a wasteful number, since it uses less digits than its factorization.

38324513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16674.

The product of its digits is 8640, while the sum is 29.

The square root of 38324513 is about 6190.6795265140. The cubic root of 38324513 is about 337.1518509574.

Adding to 38324513 its reverse (31542383), we get a palindrome (69866896).

The spelling of 38324513 in words is "thirty-eight million, three hundred twenty-four thousand, five hundred thirteen".