36820531 has 16 divisors (see below), whose sum is σ = 41313888. Its totient is φ = 32531200.

The previous prime is 36820523. The next prime is 36820541. The reversal of 36820531 is 13502863.

36820531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 36820531 - 2³ = 36820523 is a prime.

It is a super-2 number, since 2×36820531² = 2711503006243922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36820531.

It is not an unprimeable number, because it can be changed into a prime (36820541) 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 15 ways as a sum of consecutive naturals, for example, 79641 + ... + 80101.

It is an arithmetic number, because the mean of its divisors is an integer number (2582118).

Almost surely, 2^36820531 is an apocalyptic number.

36820531 is a deficient number, since it is larger than the sum of its proper divisors (4493357).

36820531 is a wasteful number, since it uses less digits than its factorization.

36820531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 36820531 is about 6067.9923368442. The cubic root of 36820531 is about 332.6825454746.

The spelling of 36820531 in words is "thirty-six million, eight hundred twenty thousand, five hundred thirty-one".