6526945 has 8 divisors (see below), whose sum is σ = 7885800. Its totient is φ = 5185920.

The previous prime is 6526909. The next prime is 6526967. The reversal of 6526945 is 5496256.

It can be written as a sum of positive squares in 4 ways, for example, as 136161 + 6390784 = 369^2 + 2528^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6526945 - 2¹³ = 6518753 is a prime.

It is a super-2 number, since 2×6526945² = 85202022066050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3636 + ... + 5125.

It is an arithmetic number, because the mean of its divisors is an integer number (985725).

Almost surely, 2^6526945 is an apocalyptic number.

It is an amenable number.

6526945 is a deficient number, since it is larger than the sum of its proper divisors (1358855).

6526945 is a wasteful number, since it uses less digits than its factorization.

6526945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915.

The product of its digits is 64800, while the sum is 37.

The square root of 6526945 is about 2554.7886409643. The cubic root of 6526945 is about 186.8830805632.

The spelling of 6526945 in words is "six million, five hundred twenty-six thousand, nine hundred forty-five".