36255981 has 16 divisors (see below), whose sum is σ = 50972544. Its totient is φ = 22877184.

The previous prime is 36255949. The next prime is 36255983. The reversal of 36255981 is 18955263.

36255981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36255981 - 2⁵ = 36255949 is a prime.

It is a super-2 number, since 2×36255981² = 2628992316544722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36255983) 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, 3985 + ... + 9401.

It is an arithmetic number, because the mean of its divisors is an integer number (3185784).

Almost surely, 2^36255981 is an apocalyptic number.

It is an amenable number.

36255981 is a deficient number, since it is larger than the sum of its proper divisors (14716563).

36255981 is a wasteful number, since it uses less digits than its factorization.

36255981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540.

The product of its digits is 64800, while the sum is 39.

The square root of 36255981 is about 6021.2939639250. The cubic root of 36255981 is about 330.9734981809.

The spelling of 36255981 in words is "thirty-six million, two hundred fifty-five thousand, nine hundred eighty-one".