241303981 has 2 divisors, whose sum is σ = 241303982. Its totient is φ = 241303980.

The previous prime is 241303963. The next prime is 241304023. The reversal of 241303981 is 189303142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235008900 + 6295081 = 15330^2 + 2509^2 .

It is a cyclic number.

It is not a de Polignac number, because 241303981 - 2²³ = 232915373 is a prime.

It is a super-2 number, since 2×241303981² = 116455222492896722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241303961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120651990 + 120651991.

It is an arithmetic number, because the mean of its divisors is an integer number (120651991).

Almost surely, 2^241303981 is an apocalyptic number.

It is an amenable number.

241303981 is a deficient number, since it is larger than the sum of its proper divisors (1).

241303981 is an equidigital number, since it uses as much as digits as its factorization.

241303981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 241303981 is about 15533.9621796887. The cubic root of 241303981 is about 622.5699612235.

The spelling of 241303981 in words is "two hundred forty-one million, three hundred three thousand, nine hundred eighty-one".