36265561 has 4 divisors (see below), whose sum is σ = 36448000. Its totient is φ = 36083124.

The previous prime is 36265543. The next prime is 36265571. The reversal of 36265561 is 16556263.

36265561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16556263 = 31 ⋅534073.

It is a cyclic number.

It is not a de Polignac number, because 36265561 - 2¹³ = 36257369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36265571) 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 in 3 ways as a sum of consecutive naturals, for example, 90921 + ... + 91318.

It is an arithmetic number, because the mean of its divisors is an integer number (9112000).

Almost surely, 2^36265561 is an apocalyptic number.

It is an amenable number.

36265561 is a deficient number, since it is larger than the sum of its proper divisors (182439).

36265561 is a wasteful number, since it uses less digits than its factorization.

36265561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182438.

The product of its digits is 32400, while the sum is 34.

The square root of 36265561 is about 6022.0894214550. The cubic root of 36265561 is about 331.0026469061.

The spelling of 36265561 in words is "thirty-six million, two hundred sixty-five thousand, five hundred sixty-one".