36243937 has 2 divisors, whose sum is σ = 36243938. Its totient is φ = 36243936.

The previous prime is 36243931. The next prime is 36243947. The reversal of 36243937 is 73934263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23001616 + 13242321 = 4796^2 + 3639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36243937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36243896 and 36243905.

It is not a weakly prime, because it can be changed into another prime (36243931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18121968 + 18121969.

It is an arithmetic number, because the mean of its divisors is an integer number (18121969).

Almost surely, 2^36243937 is an apocalyptic number.

It is an amenable number.

36243937 is a deficient number, since it is larger than the sum of its proper divisors (1).

36243937 is an equidigital number, since it uses as much as digits as its factorization.

36243937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 37.

The square root of 36243937 is about 6020.2937635966. The cubic root of 36243937 is about 330.9368450441.

The spelling of 36243937 in words is "thirty-six million, two hundred forty-three thousand, nine hundred thirty-seven".