36956921 has 2 divisors, whose sum is σ = 36956922. Its totient is φ = 36956920.

The previous prime is 36956897. The next prime is 36956923. The reversal of 36956921 is 12965963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30525625 + 6431296 = 5525^2 + 2536^2 .

It is a cyclic number.

It is not a de Polignac number, because 36956921 - 2¹⁴ = 36940537 is a prime.

Together with 36956923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36956923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18478460 + 18478461.

It is an arithmetic number, because the mean of its divisors is an integer number (18478461).

Almost surely, 2^36956921 is an apocalyptic number.

It is an amenable number.

36956921 is a deficient number, since it is larger than the sum of its proper divisors (1).

36956921 is an equidigital number, since it uses as much as digits as its factorization.

36956921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 41.

The square root of 36956921 is about 6079.2204269956. The cubic root of 36956921 is about 333.0928117120.

The spelling of 36956921 in words is "thirty-six million, nine hundred fifty-six thousand, nine hundred twenty-one".