40052993 has 2 divisors, whose sum is σ = 40052994. Its totient is φ = 40052992.

The previous prime is 40052953. The next prime is 40053019. The reversal of 40052993 is 39925004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40043584 + 9409 = 6328^2 + 97^2 .

It is a cyclic number.

It is not a de Polignac number, because 40052993 - 2¹⁴ = 40036609 is a prime.

It is not a weakly prime, because it can be changed into another prime (40052953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20026496 + 20026497.

It is an arithmetic number, because the mean of its divisors is an integer number (20026497).

Almost surely, 2^40052993 is an apocalyptic number.

It is an amenable number.

40052993 is a deficient number, since it is larger than the sum of its proper divisors (1).

40052993 is an equidigital number, since it uses as much as digits as its factorization.

40052993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 40052993 is about 6328.7433981795. The cubic root of 40052993 is about 342.1461506148.

Adding to 40052993 its reverse (39925004), we get a palindrome (79977997).

The spelling of 40052993 in words is "forty million, fifty-two thousand, nine hundred ninety-three".