36015391 has 2 divisors, whose sum is σ = 36015392. Its totient is φ = 36015390.

The previous prime is 36015383. The next prime is 36015403. The reversal of 36015391 is 19351063.

36015391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36015391 - 2³ = 36015383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36015191) 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 as a sum of consecutive naturals, namely, 18007695 + 18007696.

It is an arithmetic number, because the mean of its divisors is an integer number (18007696).

Almost surely, 2^36015391 is an apocalyptic number.

36015391 is a deficient number, since it is larger than the sum of its proper divisors (1).

36015391 is an equidigital number, since it uses as much as digits as its factorization.

36015391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 36015391 is about 6001.2824462776. The cubic root of 36015391 is about 330.2397737058.

It can be divided in two parts, 360 and 15391, that added together give a palindrome (15751).

The spelling of 36015391 in words is "thirty-six million, fifteen thousand, three hundred ninety-one".