6545137 has 4 divisors (see below), whose sum is σ = 6550516. Its totient is φ = 6539760.

The previous prime is 6545111. The next prime is 6545167. The reversal of 6545137 is 7315456.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2719201 + 3825936 = 1649^2 + 1956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6545137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6545099 and 6545108.

It is not an unprimeable number, because it can be changed into a prime (6545167) 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, 103 + ... + 3619.

It is an arithmetic number, because the mean of its divisors is an integer number (1637629).

Almost surely, 2^6545137 is an apocalyptic number.

It is an amenable number.

6545137 is a deficient number, since it is larger than the sum of its proper divisors (5379).

6545137 is a wasteful number, since it uses less digits than its factorization.

6545137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378.

The product of its digits is 12600, while the sum is 31.

The square root of 6545137 is about 2558.3465363394. The cubic root of 6545137 is about 187.0565472844.

The spelling of 6545137 in words is "six million, five hundred forty-five thousand, one hundred thirty-seven".