40853321 has 2 divisors, whose sum is σ = 40853322. Its totient is φ = 40853320.

The previous prime is 40853303. The next prime is 40853333. The reversal of 40853321 is 12335804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40195600 + 657721 = 6340^2 + 811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40853321 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40853341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20426660 + 20426661.

It is an arithmetic number, because the mean of its divisors is an integer number (20426661).

Almost surely, 2^40853321 is an apocalyptic number.

It is an amenable number.

40853321 is a deficient number, since it is larger than the sum of its proper divisors (1).

40853321 is an equidigital number, since it uses as much as digits as its factorization.

40853321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40853321 is about 6391.6602694449. The cubic root of 40853321 is about 344.4100285844.

The spelling of 40853321 in words is "forty million, eight hundred fifty-three thousand, three hundred twenty-one".