36765409 has 2 divisors, whose sum is σ = 36765410. Its totient is φ = 36765408.

The previous prime is 36765403. The next prime is 36765413. The reversal of 36765409 is 90456763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28121809 + 8643600 = 5303^2 + 2940^2 .

It is a cyclic number.

It is not a de Polignac number, because 36765409 - 2³ = 36765401 is a prime.

It is not a weakly prime, because it can be changed into another prime (36765401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18382704 + 18382705.

It is an arithmetic number, because the mean of its divisors is an integer number (18382705).

Almost surely, 2^36765409 is an apocalyptic number.

It is an amenable number.

36765409 is a deficient number, since it is larger than the sum of its proper divisors (1).

36765409 is an equidigital number, since it uses as much as digits as its factorization.

36765409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 36765409 is about 6063.4486061976. The cubic root of 36765409 is about 332.5164489573.

The spelling of 36765409 in words is "thirty-six million, seven hundred sixty-five thousand, four hundred nine".