36945817 has 2 divisors, whose sum is σ = 36945818. Its totient is φ = 36945816.

The previous prime is 36945793. The next prime is 36945833. The reversal of 36945817 is 71854963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32901696 + 4044121 = 5736^2 + 2011^2 .

It is a cyclic number.

It is not a de Polignac number, because 36945817 - 2¹¹ = 36943769 is a prime.

It is not a weakly prime, because it can be changed into another prime (36945847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18472908 + 18472909.

It is an arithmetic number, because the mean of its divisors is an integer number (18472909).

Almost surely, 2^36945817 is an apocalyptic number.

It is an amenable number.

36945817 is a deficient number, since it is larger than the sum of its proper divisors (1).

36945817 is an equidigital number, since it uses as much as digits as its factorization.

36945817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 36945817 is about 6078.3070833909. The cubic root of 36945817 is about 333.0594482447.

The spelling of 36945817 in words is "thirty-six million, nine hundred forty-five thousand, eight hundred seventeen".