6525669 has 4 divisors (see below), whose sum is σ = 8700896. Its totient is φ = 4350444.

The previous prime is 6525661. The next prime is 6525677. The reversal of 6525669 is 9665256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6525661) and next prime (6525677).

It is not a de Polignac number, because 6525669 - 2³ = 6525661 is a prime.

It is a super-2 number, since 2×6525669² = 85168711795122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6525661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087609 + ... + 1087614.

It is an arithmetic number, because the mean of its divisors is an integer number (2175224).

Almost surely, 2^6525669 is an apocalyptic number.

It is an amenable number.

6525669 is a deficient number, since it is larger than the sum of its proper divisors (2175227).

6525669 is a wasteful number, since it uses less digits than its factorization.

6525669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175226.

The product of its digits is 97200, while the sum is 39.

The square root of 6525669 is about 2554.5389016415. The cubic root of 6525669 is about 186.8709013914.

The spelling of 6525669 in words is "six million, five hundred twenty-five thousand, six hundred sixty-nine".