36509959 has 2 divisors, whose sum is σ = 36509960. Its totient is φ = 36509958.

The previous prime is 36509953. The next prime is 36509981. The reversal of 36509959 is 95990563.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (95990563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36509959 - 2²³ = 28121351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36509953) 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 as a sum of consecutive naturals, namely, 18254979 + 18254980.

It is an arithmetic number, because the mean of its divisors is an integer number (18254980).

Almost surely, 2^36509959 is an apocalyptic number.

36509959 is a deficient number, since it is larger than the sum of its proper divisors (1).

36509959 is an equidigital number, since it uses as much as digits as its factorization.

36509959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 328050, while the sum is 46.

The square root of 36509959 is about 6042.3471432879. The cubic root of 36509959 is about 331.7445384463.

The spelling of 36509959 in words is "thirty-six million, five hundred nine thousand, nine hundred fifty-nine".