36332281 has 4 divisors (see below), whose sum is σ = 38469492. Its totient is φ = 34195072.

The previous prime is 36332251. The next prime is 36332297. The reversal of 36332281 is 18223363.

36332281 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 an emirpimes, since its reverse is a distinct semiprime: 18223363 = 569 ⋅32027.

It can be written as a sum of positive squares in 2 ways, for example, as 17147881 + 19184400 = 4141^2 + 4380^2 .

It is a cyclic number.

It is not a de Polignac number, because 36332281 - 2⁹ = 36331769 is a prime.

It is a super-2 number, since 2×36332281² = 2640069285325922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36332201) 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, 1068580 + ... + 1068613.

It is an arithmetic number, because the mean of its divisors is an integer number (9617373).

Almost surely, 2^36332281 is an apocalyptic number.

It is an amenable number.

36332281 is a deficient number, since it is larger than the sum of its proper divisors (2137211).

36332281 is a wasteful number, since it uses less digits than its factorization.

36332281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137210.

The product of its digits is 5184, while the sum is 28.

The square root of 36332281 is about 6027.6264814602. The cubic root of 36332281 is about 331.2055112436.

The spelling of 36332281 in words is "thirty-six million, three hundred thirty-two thousand, two hundred eighty-one".