5581201 has 2 divisors, whose sum is σ = 5581202. Its totient is φ = 5581200.

The previous prime is 5581181. The next prime is 5581217. The reversal of 5581201 is 1021855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2808976 + 2772225 = 1676^2 + 1665^2 .

It is a cyclic number.

It is not a de Polignac number, because 5581201 - 2¹¹ = 5579153 is a prime.

It is a super-2 number, since 2×5581201² = 62299609204802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5581001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790600 + 2790601.

It is an arithmetic number, because the mean of its divisors is an integer number (2790601).

Almost surely, 2^5581201 is an apocalyptic number.

It is an amenable number.

5581201 is a deficient number, since it is larger than the sum of its proper divisors (1).

5581201 is an equidigital number, since it uses as much as digits as its factorization.

5581201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 5581201 is about 2362.4565604472. The cubic root of 5581201 is about 177.3818667763.

The spelling of 5581201 in words is "five million, five hundred eighty-one thousand, two hundred one".