6545542 has 8 divisors (see below), whose sum is σ = 9829800. Its totient is φ = 3268944.

The previous prime is 6545537. The next prime is 6545543. The reversal of 6545542 is 2455456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545543) 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, 1309 + ... + 3847.

It is an arithmetic number, because the mean of its divisors is an integer number (1228725).

Almost surely, 2^6545542 is an apocalyptic number.

6545542 is a deficient number, since it is larger than the sum of its proper divisors (3284258).

6545542 is a wasteful number, since it uses less digits than its factorization.

6545542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830.

The product of its digits is 24000, while the sum is 31.

The square root of 6545542 is about 2558.4256878010. The cubic root of 6545542 is about 187.0604054333.

The spelling of 6545542 in words is "six million, five hundred forty-five thousand, five hundred forty-two".