6542369 has 2 divisors, whose sum is σ = 6542370. Its totient is φ = 6542368.

The previous prime is 6542357. The next prime is 6542381. The reversal of 6542369 is 9632456.

It is a balanced prime because it is at equal distance from previous prime (6542357) and next prime (6542381).

It can be written as a sum of positive squares in only one way, i.e., 5664400 + 877969 = 2380^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 6542369 - 2⁸ = 6542113 is a prime.

It is a super-2 number, since 2×6542369² = 85605184264322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6542339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271184 + 3271185.

It is an arithmetic number, because the mean of its divisors is an integer number (3271185).

Almost surely, 2^6542369 is an apocalyptic number.

It is an amenable number.

6542369 is a deficient number, since it is larger than the sum of its proper divisors (1).

6542369 is an equidigital number, since it uses as much as digits as its factorization.

6542369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 6542369 is about 2557.8055047247. The cubic root of 6542369 is about 187.0301742419.

The spelling of 6542369 in words is "six million, five hundred forty-two thousand, three hundred sixty-nine".