240473971 has 2 divisors, whose sum is σ = 240473972. Its totient is φ = 240473970.

The previous prime is 240473969. The next prime is 240473977. The reversal of 240473971 is 179374042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240473971 - 2¹ = 240473969 is a prime.

Together with 240473969, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 240473971.

It is not a weakly prime, because it can be changed into another prime (240473977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120236985 + 120236986.

It is an arithmetic number, because the mean of its divisors is an integer number (120236986).

Almost surely, 2^240473971 is an apocalyptic number.

240473971 is a deficient number, since it is larger than the sum of its proper divisors (1).

240473971 is an equidigital number, since it uses as much as digits as its factorization.

240473971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 240473971 is about 15507.2231879212. The cubic root of 240473971 is about 621.8553260983.

The spelling of 240473971 in words is "two hundred forty million, four hundred seventy-three thousand, nine hundred seventy-one".