6572663 has 6 divisors (see below), whose sum is σ = 6640512. Its totient is φ = 6505460.

The previous prime is 6572627. The next prime is 6572677. The reversal of 6572663 is 3662756.

It is not a de Polignac number, because 6572663 - 2²⁰ = 5524087 is a prime.

It is a d-powerful number, because it can be written as 6³ + 5⁵ + 7⁸ + 2¹⁹ + 6³ + 6⁷ + 3⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6577663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16970 + ... + 17352.

It is an arithmetic number, because the mean of its divisors is an integer number (1106752).

Almost surely, 2^6572663 is an apocalyptic number.

6572663 is a deficient number, since it is larger than the sum of its proper divisors (67849).

6572663 is an equidigital number, since it uses as much as digits as its factorization.

6572663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 514 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 6572663 is about 2563.7205385923. The cubic root of 6572663 is about 187.3184067026.

The spelling of 6572663 in words is "six million, five hundred seventy-two thousand, six hundred sixty-three".