6501264 has 80 divisors (see below), whose sum is σ = 20951040. Its totient is φ = 1687680.

The previous prime is 6501263. The next prime is 6501277. The reversal of 6501264 is 4621056.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (6501263) 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, 2817 + ... + 4575.

It is an arithmetic number, because the mean of its divisors is an integer number (261888).

Almost surely, 2^6501264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6501264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10475520).

6501264 is an abundant number, since it is smaller than the sum of its proper divisors (14449776).

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

6501264 is a wasteful number, since it uses less digits than its factorization.

6501264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788 (or 1782 counting only the distinct ones).

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

The square root of 6501264 is about 2549.7576355411. The cubic root of 6501264 is about 186.6376542212.

The spelling of 6501264 in words is "six million, five hundred one thousand, two hundred sixty-four".