6143657 has 6 divisors (see below), whose sum is σ = 6652782. Its totient is φ = 5670912.

The previous prime is 6143651. The next prime is 6143663. The reversal of 6143657 is 7563416.

It is an interprime number because it is at equal distance from previous prime (6143651) and next prime (6143663).

It can be written as a sum of positive squares in 3 ways, for example, as 72361 + 6071296 = 269^2 + 2464^2 .

It is not a de Polignac number, because 6143657 - 2¹⁴ = 6127273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6143651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18008 + ... + 18345.

It is an arithmetic number, because the mean of its divisors is an integer number (1108797).

Almost surely, 2^6143657 is an apocalyptic number.

It is an amenable number.

6143657 is a deficient number, since it is larger than the sum of its proper divisors (509125).

6143657 is a wasteful number, since it uses less digits than its factorization.

6143657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36379 (or 36366 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 6143657 is about 2478.6401513733. The cubic root of 6143657 is about 183.1508704379.

The spelling of 6143657 in words is "six million, one hundred forty-three thousand, six hundred fifty-seven".