36039481 has 4 divisors (see below), whose sum is σ = 36115200. Its totient is φ = 35963764.

The previous prime is 36039467. The next prime is 36039511. The reversal of 36039481 is 18493063.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18493063 = 887 ⋅20849.

It is a cyclic number.

It is not a de Polignac number, because 36039481 - 2⁵ = 36039449 is a prime.

It is a super-2 number, since 2×36039481² = 2597688381498722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36039401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37141 + ... + 38098.

It is an arithmetic number, because the mean of its divisors is an integer number (9028800).

Almost surely, 2^36039481 is an apocalyptic number.

It is an amenable number.

36039481 is a deficient number, since it is larger than the sum of its proper divisors (75719).

36039481 is an equidigital number, since it uses as much as digits as its factorization.

36039481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75718.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 36039481 is about 6003.2891817736. The cubic root of 36039481 is about 330.3133876325.

The spelling of 36039481 in words is "thirty-six million, thirty-nine thousand, four hundred eighty-one".