241979261 has 2 divisors, whose sum is σ = 241979262. Its totient is φ = 241979260.

The previous prime is 241979249. The next prime is 241979263. The reversal of 241979261 is 162979142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228947161 + 13032100 = 15131^2 + 3610^2 .

It is a cyclic number.

It is not a de Polignac number, because 241979261 - 2⁶ = 241979197 is a prime.

It is a super-2 number, since 2×241979261² = 117107925508212242, which contains 22 as substring.

Together with 241979263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241979263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120989630 + 120989631.

It is an arithmetic number, because the mean of its divisors is an integer number (120989631).

Almost surely, 2^241979261 is an apocalyptic number.

It is an amenable number.

241979261 is a deficient number, since it is larger than the sum of its proper divisors (1).

241979261 is an equidigital number, since it uses as much as digits as its factorization.

241979261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 241979261 is about 15555.6825951162. The cubic root of 241979261 is about 623.1501664401.

The spelling of 241979261 in words is "two hundred forty-one million, nine hundred seventy-nine thousand, two hundred sixty-one".