6525289 has 4 divisors (see below), whose sum is σ = 6549124. Its totient is φ = 6501456.

The previous prime is 6525257. The next prime is 6525301. The reversal of 6525289 is 9825256.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 360000 + 6165289 = 600^2 + 2483^2 .

It is a cyclic number.

It is not a de Polignac number, because 6525289 - 2⁵ = 6525257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6525089) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11502 + ... + 12055.

It is an arithmetic number, because the mean of its divisors is an integer number (1637281).

Almost surely, 2^6525289 is an apocalyptic number.

It is an amenable number.

6525289 is a deficient number, since it is larger than the sum of its proper divisors (23835).

6525289 is a wasteful number, since it uses less digits than its factorization.

6525289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23834.

The product of its digits is 43200, while the sum is 37.

The square root of 6525289 is about 2554.4645231437. The cubic root of 6525289 is about 186.8672740586.

It can be divided in two parts, 65252 and 89, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 6525289 in words is "six million, five hundred twenty-five thousand, two hundred eighty-nine".