240172033 has 2 divisors, whose sum is σ = 240172034. Its totient is φ = 240172032.

The previous prime is 240172013. The next prime is 240172063. The reversal of 240172033 is 330271042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237406464 + 2765569 = 15408^2 + 1663^2 .

It is a cyclic number.

It is not a de Polignac number, because 240172033 - 2⁹ = 240171521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240171995 and 240172013.

It is not a weakly prime, because it can be changed into another prime (240172013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120086016 + 120086017.

It is an arithmetic number, because the mean of its divisors is an integer number (120086017).

Almost surely, 2^240172033 is an apocalyptic number.

It is an amenable number.

240172033 is a deficient number, since it is larger than the sum of its proper divisors (1).

240172033 is an equidigital number, since it uses as much as digits as its factorization.

240172033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 240172033 is about 15497.4847314008. The cubic root of 240172033 is about 621.5949508738.

Subtracting 240172033 from its reverse (330271042), we obtain a palindrome (90099009).

The spelling of 240172033 in words is "two hundred forty million, one hundred seventy-two thousand, thirty-three".