35366561 has 4 divisors (see below), whose sum is σ = 36322452. Its totient is φ = 34410672.

The previous prime is 35366557. The next prime is 35366623. The reversal of 35366561 is 16566353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16566353 = 67 ⋅247259.

It can be written as a sum of positive squares in 2 ways, for example, as 24601600 + 10764961 = 4960^2 + 3281^2 .

It is a cyclic number.

It is not a de Polignac number, because 35366561 - 2² = 35366557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (35366501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477890 + ... + 477963.

It is an arithmetic number, because the mean of its divisors is an integer number (9080613).

Almost surely, 2^35366561 is an apocalyptic number.

It is an amenable number.

35366561 is a deficient number, since it is larger than the sum of its proper divisors (955891).

35366561 is an equidigital number, since it uses as much as digits as its factorization.

35366561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955890.

The product of its digits is 48600, while the sum is 35.

The square root of 35366561 is about 5946.9791491143. The cubic root of 35366561 is about 328.2446153891.

The spelling of 35366561 in words is "thirty-five million, three hundred sixty-six thousand, five hundred sixty-one".