36531977 has 2 divisors, whose sum is σ = 36531978. Its totient is φ = 36531976.

The previous prime is 36531973. The next prime is 36532007. The reversal of 36531977 is 77913563.

36531977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24393721 + 12138256 = 4939^2 + 3484^2 .

It is a cyclic number.

It is not a de Polignac number, because 36531977 - 2² = 36531973 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36531973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18265988 + 18265989.

It is an arithmetic number, because the mean of its divisors is an integer number (18265989).

Almost surely, 2^36531977 is an apocalyptic number.

It is an amenable number.

36531977 is a deficient number, since it is larger than the sum of its proper divisors (1).

36531977 is an equidigital number, since it uses as much as digits as its factorization.

36531977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 41.

The square root of 36531977 is about 6044.1688427773. The cubic root of 36531977 is about 331.8112132532.

The spelling of 36531977 in words is "thirty-six million, five hundred thirty-one thousand, nine hundred seventy-seven".