36353561 has 4 divisors (see below), whose sum is σ = 36399972. Its totient is φ = 36307152.

The previous prime is 36353543. The next prime is 36353567. The reversal of 36353561 is 16535363.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7398400 + 28955161 = 2720^2 + 5381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36353561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36353567) 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, 22010 + ... + 23603.

It is an arithmetic number, because the mean of its divisors is an integer number (9099993).

Almost surely, 2^36353561 is an apocalyptic number.

It is an amenable number.

36353561 is a deficient number, since it is larger than the sum of its proper divisors (46411).

36353561 is an equidigital number, since it uses as much as digits as its factorization.

36353561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46410.

The product of its digits is 24300, while the sum is 32.

The square root of 36353561 is about 6029.3914286601. The cubic root of 36353561 is about 331.2701615354.

The spelling of 36353561 in words is "thirty-six million, three hundred fifty-three thousand, five hundred sixty-one".