38773513 has 4 divisors (see below), whose sum is σ = 38828160. Its totient is φ = 38718868.

The previous prime is 38773499. The next prime is 38773517. The reversal of 38773513 is 31537783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38773513 is a prime.

It is a super-2 number, since 2×38773513² = 3006770620722338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38773517) 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, 26245 + ... + 27682.

It is an arithmetic number, because the mean of its divisors is an integer number (9707040).

Almost surely, 2^38773513 is an apocalyptic number.

It is an amenable number.

38773513 is a deficient number, since it is larger than the sum of its proper divisors (54647).

38773513 is an equidigital number, since it uses as much as digits as its factorization.

38773513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54646.

The product of its digits is 52920, while the sum is 37.

The square root of 38773513 is about 6226.8381221933. The cubic root of 38773513 is about 338.4634033339.

The spelling of 38773513 in words is "thirty-eight million, seven hundred seventy-three thousand, five hundred thirteen".