36854921 has 2 divisors, whose sum is σ = 36854922. Its totient is φ = 36854920.

The previous prime is 36854899. The next prime is 36854953. The reversal of 36854921 is 12945863.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36481600 + 373321 = 6040^2 + 611^2 .

It is a cyclic number.

It is not a de Polignac number, because 36854921 - 2¹⁰ = 36853897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (36854021) 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, 18427460 + 18427461.

It is an arithmetic number, because the mean of its divisors is an integer number (18427461).

Almost surely, 2^36854921 is an apocalyptic number.

It is an amenable number.

36854921 is a deficient number, since it is larger than the sum of its proper divisors (1).

36854921 is an equidigital number, since it uses as much as digits as its factorization.

36854921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 36854921 is about 6070.8253969292. The cubic root of 36854921 is about 332.7860872792.

The spelling of 36854921 in words is "thirty-six million, eight hundred fifty-four thousand, nine hundred twenty-one".