35500561 has 2 divisors, whose sum is σ = 35500562. Its totient is φ = 35500560.

The previous prime is 35500519. The next prime is 35500571. The reversal of 35500561 is 16500553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34810000 + 690561 = 5900^2 + 831^2 .

It is a cyclic number.

It is not a de Polignac number, because 35500561 - 2¹⁷ = 35369489 is a prime.

It is not a weakly prime, because it can be changed into another prime (35500571) 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, 17750280 + 17750281.

It is an arithmetic number, because the mean of its divisors is an integer number (17750281).

Almost surely, 2^35500561 is an apocalyptic number.

It is an amenable number.

35500561 is a deficient number, since it is larger than the sum of its proper divisors (1).

35500561 is an equidigital number, since it uses as much as digits as its factorization.

35500561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 35500561 is about 5958.2347217947. The cubic root of 35500561 is about 328.6586537981.

The spelling of 35500561 in words is "thirty-five million, five hundred thousand, five hundred sixty-one".