40545853 has 2 divisors, whose sum is σ = 40545854. Its totient is φ = 40545852.

The previous prime is 40545823. The next prime is 40545863. The reversal of 40545853 is 35854504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20457529 + 20088324 = 4523^2 + 4482^2 .

It is a cyclic number.

It is not a de Polignac number, because 40545853 - 2⁹ = 40545341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40545823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20272926 + 20272927.

It is an arithmetic number, because the mean of its divisors is an integer number (20272927).

Almost surely, 2^40545853 is an apocalyptic number.

It is an amenable number.

40545853 is a deficient number, since it is larger than the sum of its proper divisors (1).

40545853 is an equidigital number, since it uses as much as digits as its factorization.

40545853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 40545853 is about 6367.5625634932. The cubic root of 40545853 is about 343.5438253238.

The spelling of 40545853 in words is "forty million, five hundred forty-five thousand, eight hundred fifty-three".