240003047 has 2 divisors, whose sum is σ = 240003048. Its totient is φ = 240003046.

The previous prime is 240003031. The next prime is 240003119. The reversal of 240003047 is 740300042.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240003047 - 2⁴ = 240003031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240003847) 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, 120001523 + 120001524.

It is an arithmetic number, because the mean of its divisors is an integer number (120001524).

Almost surely, 2^240003047 is an apocalyptic number.

240003047 is a deficient number, since it is larger than the sum of its proper divisors (1).

240003047 is an equidigital number, since it uses as much as digits as its factorization.

240003047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 240003047 is about 15492.0317260197. The cubic root of 240003047 is about 621.4491311067.

Adding to 240003047 its reverse (740300042), we get a palindrome (980303089).

The spelling of 240003047 in words is "two hundred forty million, three thousand, forty-seven".