240975947 has 2 divisors, whose sum is σ = 240975948. Its totient is φ = 240975946.

The previous prime is 240975929. The next prime is 240975953. The reversal of 240975947 is 749579042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240975947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240975907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120487973 + 120487974.

It is an arithmetic number, because the mean of its divisors is an integer number (120487974).

Almost surely, 2^240975947 is an apocalyptic number.

240975947 is a deficient number, since it is larger than the sum of its proper divisors (1).

240975947 is an equidigital number, since it uses as much as digits as its factorization.

240975947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 240975947 is about 15523.3999819627. The cubic root of 240975947 is about 622.2877214720.

The spelling of 240975947 in words is "two hundred forty million, nine hundred seventy-five thousand, nine hundred forty-seven".