6345617 has 2 divisors, whose sum is σ = 6345618. Its totient is φ = 6345616.

The previous prime is 6345551. The next prime is 6345629. The reversal of 6345617 is 7165436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6345361 + 256 = 2519^2 + 16^2 .

It is a cyclic number.

It is not a de Polignac number, because 6345617 - 2¹² = 6341521 is a prime.

It is a super-2 number, since 2×6345617² = 80533710221378, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6344617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3172808 + 3172809.

It is an arithmetic number, because the mean of its divisors is an integer number (3172809).

Almost surely, 2^6345617 is an apocalyptic number.

It is an amenable number.

6345617 is a deficient number, since it is larger than the sum of its proper divisors (1).

6345617 is an equidigital number, since it uses as much as digits as its factorization.

6345617 is an evil number, because the sum of its binary digits is even.

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

The square root of 6345617 is about 2519.0508133025. The cubic root of 6345617 is about 185.1361743935.

It can be divided in two parts, 6 and 345617, that multiplied together give a palindrome (2073702).

The spelling of 6345617 in words is "six million, three hundred forty-five thousand, six hundred seventeen".