36120509 has 2 divisors, whose sum is σ = 36120510. Its totient is φ = 36120508.

The previous prime is 36120503. The next prime is 36120517. The reversal of 36120509 is 90502163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26988025 + 9132484 = 5195^2 + 3022^2 .

It is a cyclic number.

It is not a de Polignac number, because 36120509 - 2¹⁶ = 36054973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36120503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18060254 + 18060255.

It is an arithmetic number, because the mean of its divisors is an integer number (18060255).

Almost surely, 2^36120509 is an apocalyptic number.

It is an amenable number.

36120509 is a deficient number, since it is larger than the sum of its proper divisors (1).

36120509 is an equidigital number, since it uses as much as digits as its factorization.

36120509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 36120509 is about 6010.0340265260. The cubic root of 36120509 is about 330.5607515330.

The spelling of 36120509 in words is "thirty-six million, one hundred twenty thousand, five hundred nine".