6138361 has 4 divisors (see below), whose sum is σ = 6143332. Its totient is φ = 6133392.

The previous prime is 6138347. The next prime is 6138367. The reversal of 6138361 is 1638316.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 732736 + 5405625 = 856^2 + 2325^2 .

It is a cyclic number.

It is not a de Polignac number, because 6138361 - 2¹³ = 6130169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6138367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955 + ... + 3631.

It is an arithmetic number, because the mean of its divisors is an integer number (1535833).

Almost surely, 2^6138361 is an apocalyptic number.

It is an amenable number.

6138361 is a deficient number, since it is larger than the sum of its proper divisors (4971).

6138361 is a wasteful number, since it uses less digits than its factorization.

6138361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970.

The product of its digits is 2592, while the sum is 28.

The square root of 6138361 is about 2477.5715933147. The cubic root of 6138361 is about 183.0982282925.

The spelling of 6138361 in words is "six million, one hundred thirty-eight thousand, three hundred sixty-one".