240890033 has 2 divisors, whose sum is σ = 240890034. Its totient is φ = 240890032.

The previous prime is 240890029. The next prime is 240890059. The reversal of 240890033 is 330098042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223442704 + 17447329 = 14948^2 + 4177^2 .

It is a cyclic number.

It is not a de Polignac number, because 240890033 - 2² = 240890029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 240889978 and 240890005.

It is not a weakly prime, because it can be changed into another prime (240890093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120445016 + 120445017.

It is an arithmetic number, because the mean of its divisors is an integer number (120445017).

Almost surely, 2^240890033 is an apocalyptic number.

It is an amenable number.

240890033 is a deficient number, since it is larger than the sum of its proper divisors (1).

240890033 is an equidigital number, since it uses as much as digits as its factorization.

240890033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 240890033 is about 15520.6324935552. The cubic root of 240890033 is about 622.2137589280.

The spelling of 240890033 in words is "two hundred forty million, eight hundred ninety thousand, thirty-three".