36200561 has 4 divisors (see below), whose sum is σ = 36538992. Its totient is φ = 35862132.

The previous prime is 36200509. The next prime is 36200573. The reversal of 36200561 is 16500263.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36200561 - 2¹⁸ = 35938417 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 (36200161) 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, 169055 + ... + 169268.

It is an arithmetic number, because the mean of its divisors is an integer number (9134748).

Almost surely, 2^36200561 is an apocalyptic number.

It is an amenable number.

36200561 is a deficient number, since it is larger than the sum of its proper divisors (338431).

36200561 is a wasteful number, since it uses less digits than its factorization.

36200561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338430.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 36200561 is about 6016.6902030934. The cubic root of 36200561 is about 330.8047728681.

The spelling of 36200561 in words is "thirty-six million, two hundred thousand, five hundred sixty-one".