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5581061 is a prime number
BaseRepresentation
bin10101010010100100000101
3101111112202222
4111102210011
52412043221
6315342125
765303213
oct25224405
911445688
105581061
113172152
121a51945
131205405
14a53cb3
157539ab
hex552905

5581061 has 2 divisors, whose sum is σ = 5581062. Its totient is φ = 5581060.

The previous prime is 5581027. The next prime is 5581067. The reversal of 5581061 is 1601855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4950625 + 630436 = 2225^2 + 794^2 .

It is a cyclic number.

It is not a de Polignac number, because 5581061 - 222 = 1386757 is a prime.

It is a super-2 number, since 2×55810612 = 62296483771442, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 5581061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5581067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790530 + 2790531.

It is an arithmetic number, because the mean of its divisors is an integer number (2790531).

Almost surely, 25581061 is an apocalyptic number.

It is an amenable number.

5581061 is a deficient number, since it is larger than the sum of its proper divisors (1).

5581061 is an equidigital number, since it uses as much as digits as its factorization.

5581061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 5581061 is about 2362.4269300869. The cubic root of 5581061 is about 177.3803836028.

The spelling of 5581061 in words is "five million, five hundred eighty-one thousand, sixty-one".