240387353 has 2 divisors, whose sum is σ = 240387354. Its totient is φ = 240387352.

The previous prime is 240387349. The next prime is 240387359. The reversal of 240387353 is 353783042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194797849 + 45589504 = 13957^2 + 6752^2 .

It is a cyclic number.

It is not a de Polignac number, because 240387353 - 2² = 240387349 is a prime.

It is not a weakly prime, because it can be changed into another prime (240387359) 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, 120193676 + 120193677.

It is an arithmetic number, because the mean of its divisors is an integer number (120193677).

Almost surely, 2^240387353 is an apocalyptic number.

It is an amenable number.

240387353 is a deficient number, since it is larger than the sum of its proper divisors (1).

240387353 is an equidigital number, since it uses as much as digits as its factorization.

240387353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 240387353 is about 15504.4301088431. The cubic root of 240387353 is about 621.7806536602.

The spelling of 240387353 in words is "two hundred forty million, three hundred eighty-seven thousand, three hundred fifty-three".