6505642 has 48 divisors (see below), whose sum is σ = 12263328. Its totient is φ = 2550240.

The previous prime is 6505627. The next prime is 6505643. The reversal of 6505642 is 2465056.

It is a self number, because there is not a number n which added to its sum of digits gives 6505642.

It is not an unprimeable number, because it can be changed into a prime (6505643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151273 + ... + 151315.

It is an arithmetic number, because the mean of its divisors is an integer number (255486).

Almost surely, 2^6505642 is an apocalyptic number.

6505642 is a deficient number, since it is larger than the sum of its proper divisors (5757686).

6505642 is a wasteful number, since it uses less digits than its factorization.

6505642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 6505642 is about 2550.6160040273. The cubic root of 6505642 is about 186.6795392200.

The spelling of 6505642 in words is "six million, five hundred five thousand, six hundred forty-two".