38576521 has 3 divisors (see below), whose sum is σ = 38582733. Its totient is φ = 38570310.

The previous prime is 38576513. The next prime is 38576537. The reversal of 38576521 is 12567583.

The square root of 38576521 is 6211.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12567583 = 7 ⋅1795369.

It is not a de Polignac number, because 38576521 - 2³ = 38576513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38576561) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3106 + ... + 9316.

It is an arithmetic number, because the mean of its divisors is an integer number (12860911).

Almost surely, 2^38576521 is an apocalyptic number.

38576521 is the 6211-st square number.

38576521 is the 3106-th centered octagonal number.

It is an amenable number.

38576521 is a deficient number, since it is larger than the sum of its proper divisors (6212).

38576521 is an frugal number, since it uses more digits than its factorization.

38576521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12422 (or 6211 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The cubic root of 38576521 is about 337.8892328707.

The spelling of 38576521 in words is "thirty-eight million, five hundred seventy-six thousand, five hundred twenty-one".