6155489 has 2 divisors, whose sum is σ = 6155490. Its totient is φ = 6155488.

The previous prime is 6155483. The next prime is 6155497. The reversal of 6155489 is 9845516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5841889 + 313600 = 2417^2 + 560^2 .

It is a cyclic number.

It is not a de Polignac number, because 6155489 - 2¹⁶ = 6089953 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6155483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077744 + 3077745.

It is an arithmetic number, because the mean of its divisors is an integer number (3077745).

Almost surely, 2^6155489 is an apocalyptic number.

It is an amenable number.

6155489 is a deficient number, since it is larger than the sum of its proper divisors (1).

6155489 is an equidigital number, since it uses as much as digits as its factorization.

6155489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 38.

The square root of 6155489 is about 2481.0257959159. The cubic root of 6155489 is about 183.2683711071.

The spelling of 6155489 in words is "six million, one hundred fifty-five thousand, four hundred eighty-nine".