36850609 has 2 divisors, whose sum is σ = 36850610. Its totient is φ = 36850608.

The previous prime is 36850601. The next prime is 36850637. The reversal of 36850609 is 90605863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32524209 + 4326400 = 5703^2 + 2080^2 .

It is a cyclic number.

It is not a de Polignac number, because 36850609 - 2³ = 36850601 is a prime.

It is not a weakly prime, because it can be changed into another prime (36850601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18425304 + 18425305.

It is an arithmetic number, because the mean of its divisors is an integer number (18425305).

Almost surely, 2^36850609 is an apocalyptic number.

It is an amenable number.

36850609 is a deficient number, since it is larger than the sum of its proper divisors (1).

36850609 is an equidigital number, since it uses as much as digits as its factorization.

36850609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 36850609 is about 6070.4702453764. The cubic root of 36850609 is about 332.7731081931.

It can be divided in two parts, 36850 and 609, that multiplied together give a triangular number (22441650 = T₆₆₉₉).

The spelling of 36850609 in words is "thirty-six million, eight hundred fifty thousand, six hundred nine".