4339561 has 2 divisors, whose sum is σ = 4339562. Its totient is φ = 4339560.

The previous prime is 4339547. The next prime is 4339567. The reversal of 4339561 is 1659334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3493161 + 846400 = 1869^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 4339561 - 2⁵ = 4339529 is a prime.

It is not a weakly prime, because it can be changed into another prime (4339567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2169780 + 2169781.

It is an arithmetic number, because the mean of its divisors is an integer number (2169781).

Almost surely, 2^4339561 is an apocalyptic number.

It is an amenable number.

4339561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4339561 is an equidigital number, since it uses as much as digits as its factorization.

4339561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 4339561 is about 2083.1612995637. The cubic root of 4339561 is about 163.1105050659.

It can be divided in two parts, 4339 and 561, that added together give a square (4900 = 70²).

The spelling of 4339561 in words is "four million, three hundred thirty-nine thousand, five hundred sixty-one".