40853653 has 2 divisors, whose sum is σ = 40853654. Its totient is φ = 40853652.

The previous prime is 40853651. The next prime is 40853677. The reversal of 40853653 is 35635804.

40853653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38713284 + 2140369 = 6222^2 + 1463^2 .

It is a cyclic number.

It is not a de Polignac number, because 40853653 - 2¹ = 40853651 is a prime.

Together with 40853651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40853651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20426826 + 20426827.

It is an arithmetic number, because the mean of its divisors is an integer number (20426827).

Almost surely, 2^40853653 is an apocalyptic number.

40853653 is the 3417-th centered heptagonal number.

It is an amenable number.

40853653 is a deficient number, since it is larger than the sum of its proper divisors (1).

40853653 is an equidigital number, since it uses as much as digits as its factorization.

40853653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 40853653 is about 6391.6862407349. The cubic root of 40853653 is about 344.4109615466.

The spelling of 40853653 in words is "forty million, eight hundred fifty-three thousand, six hundred fifty-three".