6111389 has 2 divisors, whose sum is σ = 6111390. Its totient is φ = 6111388.

The previous prime is 6111383. The next prime is 6111403. The reversal of 6111389 is 9831116.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4972900 + 1138489 = 2230^2 + 1067^2 .

It is a cyclic number.

It is not a de Polignac number, because 6111389 - 2¹² = 6107293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6111383) 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 as a sum of consecutive naturals, namely, 3055694 + 3055695.

It is an arithmetic number, because the mean of its divisors is an integer number (3055695).

Almost surely, 2^6111389 is an apocalyptic number.

It is an amenable number.

6111389 is a deficient number, since it is larger than the sum of its proper divisors (1).

6111389 is an equidigital number, since it uses as much as digits as its factorization.

6111389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 29.

The square root of 6111389 is about 2472.1223675215. The cubic root of 6111389 is about 182.8296562514.

The spelling of 6111389 in words is "six million, one hundred eleven thousand, three hundred eighty-nine".