3461561 has 2 divisors, whose sum is σ = 3461562. Its totient is φ = 3461560.

The previous prime is 3461551. The next prime is 3461581. The reversal of 3461561 is 1651643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1771561 + 1690000 = 1331^2 + 1300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3461561 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3461561.

It is not a weakly prime, because it can be changed into another prime (3461551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730780 + 1730781.

It is an arithmetic number, because the mean of its divisors is an integer number (1730781).

Almost surely, 2^3461561 is an apocalyptic number.

It is an amenable number.

3461561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3461561 is an equidigital number, since it uses as much as digits as its factorization.

3461561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 3461561 is about 1860.5270758578. The cubic root of 3461561 is about 151.2715753663.

The spelling of 3461561 in words is "three million, four hundred sixty-one thousand, five hundred sixty-one".