40985533 has 2 divisors, whose sum is σ = 40985534. Its totient is φ = 40985532.

The previous prime is 40985519. The next prime is 40985537. The reversal of 40985533 is 33558904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34421689 + 6563844 = 5867^2 + 2562^2 .

It is a cyclic number.

It is not a de Polignac number, because 40985533 - 2⁵ = 40985501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40985492 and 40985501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40985537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20492766 + 20492767.

It is an arithmetic number, because the mean of its divisors is an integer number (20492767).

Almost surely, 2^40985533 is an apocalyptic number.

It is an amenable number.

40985533 is a deficient number, since it is larger than the sum of its proper divisors (1).

40985533 is an equidigital number, since it uses as much as digits as its factorization.

40985533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 40985533 is about 6401.9944548555. The cubic root of 40985533 is about 344.7811620648.

The spelling of 40985533 in words is "forty million, nine hundred eighty-five thousand, five hundred thirty-three".