36918997 has 2 divisors, whose sum is σ = 36918998. Its totient is φ = 36918996.

The previous prime is 36918977. The next prime is 36919009. The reversal of 36918997 is 79981963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33628401 + 3290596 = 5799^2 + 1814^2 .

It is a cyclic number.

It is not a de Polignac number, because 36918997 - 2¹⁵ = 36886229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36918907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18459498 + 18459499.

It is an arithmetic number, because the mean of its divisors is an integer number (18459499).

Almost surely, 2^36918997 is an apocalyptic number.

It is an amenable number.

36918997 is a deficient number, since it is larger than the sum of its proper divisors (1).

36918997 is an equidigital number, since it uses as much as digits as its factorization.

36918997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 52.

The square root of 36918997 is about 6076.1004764569. The cubic root of 36918997 is about 332.9788363515.

The spelling of 36918997 in words is "thirty-six million, nine hundred eighteen thousand, nine hundred ninety-seven".