36522781 has 8 divisors (see below), whose sum is σ = 38998080. Its totient is φ = 34121472.

The previous prime is 36522767. The next prime is 36522793. The reversal of 36522781 is 18722563.

It is a happy number.

36522781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36522781 - 2⁷ = 36522653 is a prime.

It is a super-2 number, since 2×36522781² = 2667827063947922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36522701) 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 7 ways as a sum of consecutive naturals, for example, 17476 + ... + 19453.

It is an arithmetic number, because the mean of its divisors is an integer number (4874760).

Almost surely, 2^36522781 is an apocalyptic number.

It is an amenable number.

36522781 is a deficient number, since it is larger than the sum of its proper divisors (2475299).

36522781 is a wasteful number, since it uses less digits than its factorization.

36522781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36995.

The product of its digits is 20160, while the sum is 34.

The square root of 36522781 is about 6043.4080616818. The cubic root of 36522781 is about 331.7833692269.

The spelling of 36522781 in words is "thirty-six million, five hundred twenty-two thousand, seven hundred eighty-one".