4343561 has 2 divisors, whose sum is σ = 4343562. Its totient is φ = 4343560.

The previous prime is 4343539. The next prime is 4343569. The reversal of 4343561 is 1653434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4326400 + 17161 = 2080^2 + 131^2 .

It is a cyclic number.

It is not a de Polignac number, because 4343561 - 2⁶ = 4343497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4343561.

It is not a weakly prime, because it can be changed into another prime (4343569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2171780 + 2171781.

It is an arithmetic number, because the mean of its divisors is an integer number (2171781).

Almost surely, 2^4343561 is an apocalyptic number.

It is an amenable number.

4343561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4343561 is an equidigital number, since it uses as much as digits as its factorization.

4343561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 4343561 is about 2084.1211577065. The cubic root of 4343561 is about 163.1606054993.

Adding to 4343561 its reverse (1653434), we get a palindrome (5996995).

The spelling of 4343561 in words is "four million, three hundred forty-three thousand, five hundred sixty-one".