36015281 has 4 divisors (see below), whose sum is σ = 36164964. Its totient is φ = 35865600.

The previous prime is 36015269. The next prime is 36015283. The reversal of 36015281 is 18251063.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29333056 + 6682225 = 5416^2 + 2585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36015281 is a prime.

It is a super-2 number, since 2×36015281² = 2594200931017922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36015281.

It is not an unprimeable number, because it can be changed into a prime (36015283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74480 + ... + 74961.

It is an arithmetic number, because the mean of its divisors is an integer number (9041241).

Almost surely, 2^36015281 is an apocalyptic number.

It is an amenable number.

36015281 is a deficient number, since it is larger than the sum of its proper divisors (149683).

36015281 is a wasteful number, since it uses less digits than its factorization.

36015281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149682.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 36015281 is about 6001.2732815628. The cubic root of 36015281 is about 330.2394374939.

The spelling of 36015281 in words is "thirty-six million, fifteen thousand, two hundred eighty-one".