6501642 has 32 divisors (see below), whose sum is σ = 14940672. Its totient is φ = 1847664.

The previous prime is 6501637. The next prime is 6501647. The reversal of 6501642 is 2461056.

It is an interprime number because it is at equal distance from previous prime (6501637) and next prime (6501647).

It is not an unprimeable number, because it can be changed into a prime (6501647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11613 + ... + 12159.

It is an arithmetic number, because the mean of its divisors is an integer number (466896).

Almost surely, 2^6501642 is an apocalyptic number.

6501642 is an abundant number, since it is smaller than the sum of its proper divisors (8439030).

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

6501642 is a wasteful number, since it uses less digits than its factorization.

6501642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 6501642 is about 2549.8317591559. The cubic root of 6501642 is about 186.6412713468.

Adding to 6501642 its reverse (2461056), we get a palindrome (8962698).

The spelling of 6501642 in words is "six million, five hundred one thousand, six hundred forty-two".