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561348241 is a prime number
BaseRepresentation
bin100001011101010…
…111111010010001
31110010021110000121
4201131113322101
52122201120431
6131411350241
716624244536
oct4135277221
91403243017
10561348241
11268959273
12137bb2381
138c3b492c
14547a4d8d
1534435611
hex21757e91

561348241 has 2 divisors, whose sum is σ = 561348242. Its totient is φ = 561348240.

The previous prime is 561348233. The next prime is 561348251. The reversal of 561348241 is 142843165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 552438016 + 8910225 = 23504^2 + 2985^2 .

It is a cyclic number.

It is not a de Polignac number, because 561348241 - 23 = 561348233 is a prime.

It is a super-2 number, since 2×5613482412 = 630223695347588162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 561348197 and 561348206.

It is not a weakly prime, because it can be changed into another prime (561348251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280674120 + 280674121.

It is an arithmetic number, because the mean of its divisors is an integer number (280674121).

Almost surely, 2561348241 is an apocalyptic number.

It is an amenable number.

561348241 is a deficient number, since it is larger than the sum of its proper divisors (1).

561348241 is an equidigital number, since it uses as much as digits as its factorization.

561348241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 561348241 is about 23692.7887974379. The cubic root of 561348241 is about 824.9180162181.

The spelling of 561348241 in words is "five hundred sixty-one million, three hundred forty-eight thousand, two hundred forty-one".