5326561 has 8 divisors (see below), whose sum is σ = 5450760. Its totient is φ = 5203968.

The previous prime is 5326523. The next prime is 5326571. The reversal of 5326561 is 1656235.

It can be written as a sum of positive squares in 4 ways, for example, as 59536 + 5267025 = 244^2 + 2295^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5326561 - 2²¹ = 3229409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5326571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8325 + ... + 8941.

It is an arithmetic number, because the mean of its divisors is an integer number (681345).

Almost surely, 2^5326561 is an apocalyptic number.

5326561 is the 1234-th nonagonal number.

It is an amenable number.

5326561 is a deficient number, since it is larger than the sum of its proper divisors (124199).

5326561 is an equidigital number, since it uses as much as digits as its factorization.

5326561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803.

The product of its digits is 5400, while the sum is 28.

The square root of 5326561 is about 2307.9343578187. The cubic root of 5326561 is about 174.6421093971.

The spelling of 5326561 in words is "five million, three hundred twenty-six thousand, five hundred sixty-one".