36233921 has 2 divisors, whose sum is σ = 36233922. Its totient is φ = 36233920.

The previous prime is 36233891. The next prime is 36233929. The reversal of 36233921 is 12933263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33223696 + 3010225 = 5764^2 + 1735^2 .

It is a cyclic number.

It is not a de Polignac number, because 36233921 - 2¹⁴ = 36217537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36233929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18116960 + 18116961.

It is an arithmetic number, because the mean of its divisors is an integer number (18116961).

Almost surely, 2^36233921 is an apocalyptic number.

It is an amenable number.

36233921 is a deficient number, since it is larger than the sum of its proper divisors (1).

36233921 is an equidigital number, since it uses as much as digits as its factorization.

36233921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 29.

The square root of 36233921 is about 6019.4618530231. The cubic root of 36233921 is about 330.9063574729.

The spelling of 36233921 in words is "thirty-six million, two hundred thirty-three thousand, nine hundred twenty-one".