6138437 has 2 divisors, whose sum is σ = 6138438. Its totient is φ = 6138436.

The previous prime is 6138427. The next prime is 6138439. The reversal of 6138437 is 7348316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4813636 + 1324801 = 2194^2 + 1151^2 .

It is a cyclic number.

It is not a de Polignac number, because 6138437 - 2¹⁶ = 6072901 is a prime.

Together with 6138439, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6138439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3069218 + 3069219.

It is an arithmetic number, because the mean of its divisors is an integer number (3069219).

Almost surely, 2^6138437 is an apocalyptic number.

It is an amenable number.

6138437 is a deficient number, since it is larger than the sum of its proper divisors (1).

6138437 is an equidigital number, since it uses as much as digits as its factorization.

6138437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 6138437 is about 2477.5869308664. The cubic root of 6138437 is about 183.0989839452.

The spelling of 6138437 in words is "six million, one hundred thirty-eight thousand, four hundred thirty-seven".