36953821 has 2 divisors, whose sum is σ = 36953822. Its totient is φ = 36953820.

The previous prime is 36953771. The next prime is 36953827. The reversal of 36953821 is 12835963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29052100 + 7901721 = 5390^2 + 2811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36953821 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36953827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18476910 + 18476911.

It is an arithmetic number, because the mean of its divisors is an integer number (18476911).

Almost surely, 2^36953821 is an apocalyptic number.

It is an amenable number.

36953821 is a deficient number, since it is larger than the sum of its proper divisors (1).

36953821 is an equidigital number, since it uses as much as digits as its factorization.

36953821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 36953821 is about 6078.9654547464. The cubic root of 36953821 is about 333.0834980159.

The spelling of 36953821 in words is "thirty-six million, nine hundred fifty-three thousand, eight hundred twenty-one".