240554047 has 2 divisors, whose sum is σ = 240554048. Its totient is φ = 240554046.

The previous prime is 240553991. The next prime is 240554051. The reversal of 240554047 is 740455042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240554047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240554147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120277023 + 120277024.

It is an arithmetic number, because the mean of its divisors is an integer number (120277024).

Almost surely, 2^240554047 is an apocalyptic number.

240554047 is a deficient number, since it is larger than the sum of its proper divisors (1).

240554047 is an equidigital number, since it uses as much as digits as its factorization.

240554047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 240554047 is about 15509.8048665997. The cubic root of 240554047 is about 621.9243427999.

The spelling of 240554047 in words is "two hundred forty million, five hundred fifty-four thousand, forty-seven".