6564763 has 2 divisors, whose sum is σ = 6564764. Its totient is φ = 6564762.

The previous prime is 6564749. The next prime is 6564769. The reversal of 6564763 is 3674656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6564763 - 2²¹ = 4467611 is a prime.

It is a super-2 number, since 2×6564763² = 86192226492338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6564769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282381 + 3282382.

It is an arithmetic number, because the mean of its divisors is an integer number (3282382).

Almost surely, 2^6564763 is an apocalyptic number.

6564763 is a deficient number, since it is larger than the sum of its proper divisors (1).

6564763 is an equidigital number, since it uses as much as digits as its factorization.

6564763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 6564763 is about 2562.1793457914. The cubic root of 6564763 is about 187.2433276113.

The spelling of 6564763 in words is "six million, five hundred sixty-four thousand, seven hundred sixty-three".