6517242 has 12 divisors (see below), whose sum is σ = 14120730. Its totient is φ = 2172408.

The previous prime is 6517213. The next prime is 6517249. The reversal of 6517242 is 2427156.

6517242 is a `hidden beast` number, since 651 + 7 + 2 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5433561 + 1083681 = 2331^2 + 1041^2 .

It is not an unprimeable number, because it can be changed into a prime (6517249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 181017 + ... + 181052.

Almost surely, 2^6517242 is an apocalyptic number.

6517242 is an abundant number, since it is smaller than the sum of its proper divisors (7603488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6517242 is a wasteful number, since it uses less digits than its factorization.

6517242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362077 (or 362074 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 6517242 is about 2552.8889517564. Note that the first 3 decimals coincide. The cubic root of 6517242 is about 186.7904274234.

The spelling of 6517242 in words is "six million, five hundred seventeen thousand, two hundred forty-two".