36012005 has 4 divisors (see below), whose sum is σ = 43214412. Its totient is φ = 28809600.

The previous prime is 36011977. The next prime is 36012017. The reversal of 36012005 is 50021063.

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 12952801 + 23059204 = 3599^2 + 4802^2 .

It is not a de Polignac number, because 36012005 - 2²² = 31817701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3601196 + ... + 3601205.

It is an arithmetic number, because the mean of its divisors is an integer number (10803603).

Almost surely, 2^36012005 is an apocalyptic number.

It is an amenable number.

36012005 is a deficient number, since it is larger than the sum of its proper divisors (7202407).

36012005 is an equidigital number, since it uses as much as digits as its factorization.

36012005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7202406.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 36012005 is about 6001.0003332778. Note that the first 3 decimals coincide. The cubic root of 36012005 is about 330.2294241776.

Adding to 36012005 its reverse (50021063), we get a palindrome (86033068).

The spelling of 36012005 in words is "thirty-six million, twelve thousand, five".