37982569 has 3 divisors (see below), whose sum is σ = 37988733. Its totient is φ = 37976406.

The previous prime is 37982563. The next prime is 37982587. The reversal of 37982569 is 96528973.

The square root of 37982569 is 6163.

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: 96528973 = 71 ⋅1359563.

It is not a de Polignac number, because 37982569 - 2³ = 37982561 is a prime.

It is a super-2 number, since 2×37982569² = 2885351095679522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37982561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3082 + ... + 9244.

It is an arithmetic number, because the mean of its divisors is an integer number (12662911).

Almost surely, 2^37982569 is an apocalyptic number.

37982569 is the 6163-rd square number.

37982569 is the 3082-nd centered octagonal number.

It is an amenable number.

37982569 is a deficient number, since it is larger than the sum of its proper divisors (6164).

37982569 is an frugal number, since it uses more digits than its factorization.

37982569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12326 (or 6163 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The cubic root of 37982569 is about 336.1461270342.

Multiplying 37982569 by its sum of digits (49), we get a square (1861145881 = 43141²).

The spelling of 37982569 in words is "thirty-seven million, nine hundred eighty-two thousand, five hundred sixty-nine".