240281047 has 2 divisors, whose sum is σ = 240281048. Its totient is φ = 240281046.

The previous prime is 240281039. The next prime is 240281051. The reversal of 240281047 is 740182042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240281047 - 2³ = 240281039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240281057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120140523 + 120140524.

It is an arithmetic number, because the mean of its divisors is an integer number (120140524).

Almost surely, 2^240281047 is an apocalyptic number.

240281047 is a deficient number, since it is larger than the sum of its proper divisors (1).

240281047 is an equidigital number, since it uses as much as digits as its factorization.

240281047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 240281047 is about 15501.0014837752. The cubic root of 240281047 is about 621.6889838901.

The spelling of 240281047 in words is "two hundred forty million, two hundred eighty-one thousand, forty-seven".