5580521 has 2 divisors, whose sum is σ = 5580522. Its totient is φ = 5580520.

The previous prime is 5580517. The next prime is 5580541. The reversal of 5580521 is 1250855.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5290000 + 290521 = 2300^2 + 539^2 .

It is a cyclic number.

It is not a de Polignac number, because 5580521 - 2² = 5580517 is a prime.

It is a super-2 number, since 2×5580521² = 62284429262882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5580541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790260 + 2790261.

It is an arithmetic number, because the mean of its divisors is an integer number (2790261).

Almost surely, 2^5580521 is an apocalyptic number.

It is an amenable number.

5580521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5580521 is an equidigital number, since it uses as much as digits as its factorization.

5580521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 5580521 is about 2362.3126380731. The cubic root of 5580521 is about 177.3746625582.

The spelling of 5580521 in words is "five million, five hundred eighty thousand, five hundred twenty-one".