244313947 has 2 divisors, whose sum is σ = 244313948. Its totient is φ = 244313946.

The previous prime is 244313891. The next prime is 244313963. The reversal of 244313947 is 749313442.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244313947 is a prime.

It is not a weakly prime, because it can be changed into another prime (244313747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122156973 + 122156974.

It is an arithmetic number, because the mean of its divisors is an integer number (122156974).

Almost surely, 2^244313947 is an apocalyptic number.

244313947 is a deficient number, since it is larger than the sum of its proper divisors (1).

244313947 is an equidigital number, since it uses as much as digits as its factorization.

244313947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

The square root of 244313947 is about 15630.5453199816. The cubic root of 244313947 is about 625.1478664541.

The spelling of 244313947 in words is "two hundred forty-four million, three hundred thirteen thousand, nine hundred forty-seven".