6464529 has 24 divisors (see below), whose sum is σ = 9959040. Its totient is φ = 4187376.

The previous prime is 6464519. The next prime is 6464531. The reversal of 6464529 is 9254646.

6464529 is a `hidden beast` number, since 6 + 4 + 645 + 2 + 9 = 666.

It is not a de Polignac number, because 6464529 - 2⁷ = 6464401 is a prime.

6464529 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6464493 and 6464502.

It is not an unprimeable number, because it can be changed into a prime (6464509) 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, 8632 + ... + 9350.

It is an arithmetic number, because the mean of its divisors is an integer number (414960).

Almost surely, 2^6464529 is an apocalyptic number.

It is an amenable number.

6464529 is a deficient number, since it is larger than the sum of its proper divisors (3494511).

6464529 is an equidigital number, since it uses as much as digits as its factorization.

6464529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 759 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 6464529 is about 2542.5438049324. The cubic root of 6464529 is about 186.2854617701.

The spelling of 6464529 in words is "six million, four hundred sixty-four thousand, five hundred twenty-nine".