240505633 has 2 divisors, whose sum is σ = 240505634. Its totient is φ = 240505632.

The previous prime is 240505621. The next prime is 240505649. The reversal of 240505633 is 336505042.

240505633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240498064 + 7569 = 15508^2 + 87^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240505633 is a prime.

It is not a weakly prime, because it can be changed into another prime (240505663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120252816 + 120252817.

It is an arithmetic number, because the mean of its divisors is an integer number (120252817).

Almost surely, 2^240505633 is an apocalyptic number.

It is an amenable number.

240505633 is a deficient number, since it is larger than the sum of its proper divisors (1).

240505633 is an equidigital number, since it uses as much as digits as its factorization.

240505633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 240505633 is about 15508.2440334165. The cubic root of 240505633 is about 621.8826170898.

The spelling of 240505633 in words is "two hundred forty million, five hundred five thousand, six hundred thirty-three".