240308797 has 2 divisors, whose sum is σ = 240308798. Its totient is φ = 240308796.

The previous prime is 240308741. The next prime is 240308843. The reversal of 240308797 is 797803042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224220676 + 16088121 = 14974^2 + 4011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240308797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240308737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120154398 + 120154399.

It is an arithmetic number, because the mean of its divisors is an integer number (120154399).

Almost surely, 2^240308797 is an apocalyptic number.

It is an amenable number.

240308797 is a deficient number, since it is larger than the sum of its proper divisors (1).

240308797 is an equidigital number, since it uses as much as digits as its factorization.

240308797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 240308797 is about 15501.8965613889. The cubic root of 240308797 is about 621.7129158723.

The spelling of 240308797 in words is "two hundred forty million, three hundred eight thousand, seven hundred ninety-seven".