36941921 has 2 divisors, whose sum is σ = 36941922. Its totient is φ = 36941920.

The previous prime is 36941897. The next prime is 36941923. The reversal of 36941921 is 12914963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32615521 + 4326400 = 5711^2 + 2080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36941921 is a prime.

Together with 36941923, 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 (36941923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18470960 + 18470961.

It is an arithmetic number, because the mean of its divisors is an integer number (18470961).

Almost surely, 2^36941921 is an apocalyptic number.

It is an amenable number.

36941921 is a deficient number, since it is larger than the sum of its proper divisors (1).

36941921 is an equidigital number, since it uses as much as digits as its factorization.

36941921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The square root of 36941921 is about 6077.9865909691. The cubic root of 36941921 is about 333.0477406025.

The spelling of 36941921 in words is "thirty-six million, nine hundred forty-one thousand, nine hundred twenty-one".