240540193 has 2 divisors, whose sum is σ = 240540194. Its totient is φ = 240540192.

The previous prime is 240540163. The next prime is 240540197. The reversal of 240540193 is 391045042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233233984 + 7306209 = 15272^2 + 2703^2 .

It is a cyclic number.

It is not a de Polignac number, because 240540193 - 2⁵ = 240540161 is a prime.

It is not a weakly prime, because it can be changed into another prime (240540197) 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, 120270096 + 120270097.

It is an arithmetic number, because the mean of its divisors is an integer number (120270097).

Almost surely, 2^240540193 is an apocalyptic number.

It is an amenable number.

240540193 is a deficient number, since it is larger than the sum of its proper divisors (1).

240540193 is an equidigital number, since it uses as much as digits as its factorization.

240540193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 240540193 is about 15509.3582394630. The cubic root of 240540193 is about 621.9124032720.

The spelling of 240540193 in words is "two hundred forty million, five hundred forty thousand, one hundred ninety-three".