3436561 has 2 divisors, whose sum is σ = 3436562. Its totient is φ = 3436560.

The previous prime is 3436547. The next prime is 3436571. The reversal of 3436561 is 1656343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1795600 + 1640961 = 1340^2 + 1281^2 .

It is a cyclic number.

It is not a de Polignac number, because 3436561 - 2⁹ = 3436049 is a prime.

It is an alternating number because its digits alternate between odd and even.

3436561 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3436501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1718280 + 1718281.

It is an arithmetic number, because the mean of its divisors is an integer number (1718281).

Almost surely, 2^3436561 is an apocalyptic number.

It is an amenable number.

3436561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3436561 is an equidigital number, since it uses as much as digits as its factorization.

3436561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 3436561 is about 1853.7963750099. The cubic root of 3436561 is about 150.9065251920.

The spelling of 3436561 in words is "three million, four hundred thirty-six thousand, five hundred sixty-one".