6567625 has 8 divisors (see below), whose sum is σ = 8196552. Its totient is φ = 5254000.

The previous prime is 6567607. The next prime is 6567641. The reversal of 6567625 is 5267656.

It can be written as a sum of positive squares in 4 ways, for example, as 121104 + 6446521 = 348^2 + 2539^2 .

It is not a de Polignac number, because 6567625 - 2¹⁷ = 6436553 is a prime.

It is a Duffinian number.

6567625 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26146 + ... + 26395.

It is an arithmetic number, because the mean of its divisors is an integer number (1024569).

Almost surely, 2^6567625 is an apocalyptic number.

It is an amenable number.

6567625 is a deficient number, since it is larger than the sum of its proper divisors (1628927).

6567625 is an equidigital number, since it uses as much as digits as its factorization.

6567625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52556 (or 52546 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 6567625 is about 2562.7377938447. The cubic root of 6567625 is about 187.2705341049.

It can be divided in two parts, 656 and 7625, that added together give a square (8281 = 91²).

The spelling of 6567625 in words is "six million, five hundred sixty-seven thousand, six hundred twenty-five".