6504769 has 2 divisors, whose sum is σ = 6504770. Its totient is φ = 6504768.

The previous prime is 6504763. The next prime is 6504803. The reversal of 6504769 is 9674056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5760000 + 744769 = 2400^2 + 863^2 .

It is a cyclic number.

It is not a de Polignac number, because 6504769 - 2⁵ = 6504737 is a prime.

It is a super-2 number, since 2×6504769² = 84624039486722, which contains 22 as substring.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (6504763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3252384 + 3252385.

It is an arithmetic number, because the mean of its divisors is an integer number (3252385).

Almost surely, 2^6504769 is an apocalyptic number.

6504769 is the 1473-rd hex number.

It is an amenable number.

6504769 is a deficient number, since it is larger than the sum of its proper divisors (1).

6504769 is an equidigital number, since it uses as much as digits as its factorization.

6504769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 6504769 is about 2550.4448631562. Note that the first 3 decimals coincide. The cubic root of 6504769 is about 186.6711885951.

The spelling of 6504769 in words is "six million, five hundred four thousand, seven hundred sixty-nine".