6542737 has 2 divisors, whose sum is σ = 6542738. Its totient is φ = 6542736.

The previous prime is 6542717. The next prime is 6542743. The reversal of 6542737 is 7372456.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5308416 + 1234321 = 2304^2 + 1111^2 .

It is a cyclic number.

It is not a de Polignac number, because 6542737 - 2⁷ = 6542609 is a prime.

It is not a weakly prime, because it can be changed into another prime (6542717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271368 + 3271369.

It is an arithmetic number, because the mean of its divisors is an integer number (3271369).

Almost surely, 2^6542737 is an apocalyptic number.

It is an amenable number.

6542737 is a deficient number, since it is larger than the sum of its proper divisors (1).

6542737 is an equidigital number, since it uses as much as digits as its factorization.

6542737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 34.

The square root of 6542737 is about 2557.8774403790. The cubic root of 6542737 is about 187.0336809132.

The spelling of 6542737 in words is "six million, five hundred forty-two thousand, seven hundred thirty-seven".