6318149 has 2 divisors, whose sum is σ = 6318150. Its totient is φ = 6318148.

The previous prime is 6318139. The next prime is 6318161. The reversal of 6318149 is 9418136.

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., 5428900 + 889249 = 2330^2 + 943^2 .

It is a cyclic number.

It is not a de Polignac number, because 6318149 - 2²⁰ = 5269573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6318139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3159074 + 3159075.

It is an arithmetic number, because the mean of its divisors is an integer number (3159075).

Almost surely, 2^6318149 is an apocalyptic number.

It is an amenable number.

6318149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6318149 is an equidigital number, since it uses as much as digits as its factorization.

6318149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 6318149 is about 2513.5928469026. The cubic root of 6318149 is about 184.8686576876.

The spelling of 6318149 in words is "six million, three hundred eighteen thousand, one hundred forty-nine".