7982237 has 2 divisors, whose sum is σ = 7982238. Its totient is φ = 7982236.

The previous prime is 7982209. The next prime is 7982257. The reversal of 7982237 is 7322897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5354596 + 2627641 = 2314^2 + 1621^2 .

It is an emirp because it is prime and its reverse (7322897) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7982237 - 2¹⁸ = 7720093 is a prime.

It is a super-2 number, since 2×7982237² = 127432215048338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7982237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7982257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3991118 + 3991119.

It is an arithmetic number, because the mean of its divisors is an integer number (3991119).

Almost surely, 2^7982237 is an apocalyptic number.

It is an amenable number.

7982237 is a deficient number, since it is larger than the sum of its proper divisors (1).

7982237 is an equidigital number, since it uses as much as digits as its factorization.

7982237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 7982237 is about 2825.2852953286. The cubic root of 7982237 is about 199.8518653077.

The spelling of 7982237 in words is "seven million, nine hundred eighty-two thousand, two hundred thirty-seven".