6525249 has 4 divisors (see below), whose sum is σ = 8700336. Its totient is φ = 4350164.

The previous prime is 6525217. The next prime is 6525257. The reversal of 6525249 is 9425256.

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 a cyclic number.

It is not a de Polignac number, because 6525249 - 2⁵ = 6525217 is a prime.

It is a D-number.

6525249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6525049) 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, 1087539 + ... + 1087544.

It is an arithmetic number, because the mean of its divisors is an integer number (2175084).

Almost surely, 2^6525249 is an apocalyptic number.

It is an amenable number.

6525249 is a deficient number, since it is larger than the sum of its proper divisors (2175087).

6525249 is a wasteful number, since it uses less digits than its factorization.

6525249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175086.

The product of its digits is 21600, while the sum is 33.

The square root of 6525249 is about 2554.4566937022. The cubic root of 6525249 is about 186.8668922259.

The spelling of 6525249 in words is "six million, five hundred twenty-five thousand, two hundred forty-nine".