36512993 has 4 divisors (see below), whose sum is σ = 39832368. Its totient is φ = 33193620.

The previous prime is 36512981. The next prime is 36512999. The reversal of 36512993 is 39921563.

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.

It is a cyclic number.

It is not a de Polignac number, because 36512993 - 2¹⁴ = 36496609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36512999) 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, 1659671 + ... + 1659692.

It is an arithmetic number, because the mean of its divisors is an integer number (9958092).

Almost surely, 2^36512993 is an apocalyptic number.

It is an amenable number.

36512993 is a deficient number, since it is larger than the sum of its proper divisors (3319375).

36512993 is a wasteful number, since it uses less digits than its factorization.

36512993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319374.

The product of its digits is 43740, while the sum is 38.

The square root of 36512993 is about 6042.5981994503. The cubic root of 36512993 is about 331.7537275833.

The spelling of 36512993 in words is "thirty-six million, five hundred twelve thousand, nine hundred ninety-three".