6542049 has 4 divisors (see below), whose sum is σ = 8722736. Its totient is φ = 4361364.

The previous prime is 6542021. The next prime is 6542077. The reversal of 6542049 is 9402456.

6542049 is digitally balanced in base 4, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6542021) and next prime (6542077).

It is not a de Polignac number, because 6542049 - 2⁷ = 6541921 is a prime.

It is a D-number.

It is a Duffinian number.

6542049 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6542089) 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, 1090339 + ... + 1090344.

It is an arithmetic number, because the mean of its divisors is an integer number (2180684).

Almost surely, 2^6542049 is an apocalyptic number.

It is an amenable number.

6542049 is a deficient number, since it is larger than the sum of its proper divisors (2180687).

6542049 is a wasteful number, since it uses less digits than its factorization.

6542049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180686.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 6542049 is about 2557.7429503373. The cubic root of 6542049 is about 187.0271248555.

The spelling of 6542049 in words is "six million, five hundred forty-two thousand, forty-nine".