241959881 has 2 divisors, whose sum is σ = 241959882. Its totient is φ = 241959880.

The previous prime is 241959877. The next prime is 241959919. The reversal of 241959881 is 188959142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192959881 + 49000000 = 13891^2 + 7000^2 .

It is a cyclic number.

It is not a de Polignac number, because 241959881 - 2² = 241959877 is a prime.

It is a super-2 number, since 2×241959881² = 117089168027068322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (241959841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120979940 + 120979941.

It is an arithmetic number, because the mean of its divisors is an integer number (120979941).

Almost surely, 2^241959881 is an apocalyptic number.

It is an amenable number.

241959881 is a deficient number, since it is larger than the sum of its proper divisors (1).

241959881 is an equidigital number, since it uses as much as digits as its factorization.

241959881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 47.

The square root of 241959881 is about 15555.0596591591. The cubic root of 241959881 is about 623.1335300659.

The spelling of 241959881 in words is "two hundred forty-one million, nine hundred fifty-nine thousand, eight hundred eighty-one".