6381337 has 2 divisors, whose sum is σ = 6381338. Its totient is φ = 6381336.

The previous prime is 6381317. The next prime is 6381343. The reversal of 6381337 is 7331836.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6230016 + 151321 = 2496^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 6381337 - 2⁷ = 6381209 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 3⁷ + 8³ + 1 + 3¹³ + 3¹⁴ + 7² .

It is a junction number, because it is equal to n+sod(n) for n = 6381299 and 6381308.

It is not a weakly prime, because it can be changed into another prime (6381317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190668 + 3190669.

It is an arithmetic number, because the mean of its divisors is an integer number (3190669).

Almost surely, 2^6381337 is an apocalyptic number.

It is an amenable number.

6381337 is a deficient number, since it is larger than the sum of its proper divisors (1).

6381337 is an equidigital number, since it uses as much as digits as its factorization.

6381337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 6381337 is about 2526.1308358832. The cubic root of 6381337 is about 185.4829068607.

The spelling of 6381337 in words is "six million, three hundred eighty-one thousand, three hundred thirty-seven".