6542995 has 4 divisors (see below), whose sum is σ = 7851600. Its totient is φ = 5234392.

The previous prime is 6542993. The next prime is 6543001. The reversal of 6542995 is 5992456.

6542995 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6542995 - 2¹ = 6542993 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

6542995 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654295 + ... + 654304.

It is an arithmetic number, because the mean of its divisors is an integer number (1962900).

Almost surely, 2^6542995 is an apocalyptic number.

6542995 is a deficient number, since it is larger than the sum of its proper divisors (1308605).

6542995 is a wasteful number, since it uses less digits than its factorization.

6542995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308604.

The product of its digits is 97200, while the sum is 40.

The square root of 6542995 is about 2557.9278723217. The cubic root of 6542995 is about 187.0361393163.

The spelling of 6542995 in words is "six million, five hundred forty-two thousand, nine hundred ninety-five".