6542735 has 4 divisors (see below), whose sum is σ = 7851288. Its totient is φ = 5234184.

The previous prime is 6542717. The next prime is 6542737. The reversal of 6542735 is 5372456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6542735 - 2¹⁶ = 6477199 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654269 + ... + 654278.

It is an arithmetic number, because the mean of its divisors is an integer number (1962822).

Almost surely, 2^6542735 is an apocalyptic number.

6542735 is a deficient number, since it is larger than the sum of its proper divisors (1308553).

6542735 is a wasteful number, since it uses less digits than its factorization.

6542735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308552.

The product of its digits is 25200, while the sum is 32.

The square root of 6542735 is about 2557.8770494299. The cubic root of 6542735 is about 187.0336618556.

The spelling of 6542735 in words is "six million, five hundred forty-two thousand, seven hundred thirty-five".