36512173 has 2 divisors, whose sum is σ = 36512174. Its totient is φ = 36512172.

The previous prime is 36512171. The next prime is 36512183. The reversal of 36512173 is 37121563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32239684 + 4272489 = 5678^2 + 2067^2 .

It is a cyclic number.

It is not a de Polignac number, because 36512173 - 2¹ = 36512171 is a prime.

Together with 36512171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36512171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18256086 + 18256087.

It is an arithmetic number, because the mean of its divisors is an integer number (18256087).

Almost surely, 2^36512173 is an apocalyptic number.

It is an amenable number.

36512173 is a deficient number, since it is larger than the sum of its proper divisors (1).

36512173 is an equidigital number, since it uses as much as digits as its factorization.

36512173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 28.

The square root of 36512173 is about 6042.5303474621. The cubic root of 36512173 is about 331.7512440830.

The spelling of 36512173 in words is "thirty-six million, five hundred twelve thousand, one hundred seventy-three".