40853231 has 2 divisors, whose sum is σ = 40853232. Its totient is φ = 40853230.

The previous prime is 40853213. The next prime is 40853237. The reversal of 40853231 is 13235804.

Together with previous prime (40853213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40853231 - 2⁶ = 40853167 is a prime.

It is a super-2 number, since 2×40853231² = 3337972966278722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40853231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40853237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20426615 + 20426616.

It is an arithmetic number, because the mean of its divisors is an integer number (20426616).

Almost surely, 2^40853231 is an apocalyptic number.

40853231 is a deficient number, since it is larger than the sum of its proper divisors (1).

40853231 is an equidigital number, since it uses as much as digits as its factorization.

40853231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 40853231 is about 6391.6532290167. The cubic root of 40853231 is about 344.4097756720.

The spelling of 40853231 in words is "forty million, eight hundred fifty-three thousand, two hundred thirty-one".