4153561 has 2 divisors, whose sum is σ = 4153562. Its totient is φ = 4153560.

The previous prime is 4153543. The next prime is 4153579. The reversal of 4153561 is 1653514.

It is a balanced prime because it is at equal distance from previous prime (4153543) and next prime (4153579).

It can be written as a sum of positive squares in only one way, i.e., 2576025 + 1577536 = 1605^2 + 1256^2 .

It is a cyclic number.

It is not a de Polignac number, because 4153561 - 2⁵ = 4153529 is a prime.

It is not a weakly prime, because it can be changed into another prime (4154561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2076780 + 2076781.

It is an arithmetic number, because the mean of its divisors is an integer number (2076781).

Almost surely, 2^4153561 is an apocalyptic number.

It is an amenable number.

4153561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4153561 is an equidigital number, since it uses as much as digits as its factorization.

4153561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 25.

The square root of 4153561 is about 2038.0287044102. The cubic root of 4153561 is about 160.7460084775.

The spelling of 4153561 in words is "four million, one hundred fifty-three thousand, five hundred sixty-one".