241178261 has 2 divisors, whose sum is σ = 241178262. Its totient is φ = 241178260.

The previous prime is 241178251. The next prime is 241178263. The reversal of 241178261 is 162871142.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238115761 + 3062500 = 15431^2 + 1750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241178261 is a prime.

Together with 241178263, 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 (241178263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120589130 + 120589131.

It is an arithmetic number, because the mean of its divisors is an integer number (120589131).

Almost surely, 2^241178261 is an apocalyptic number.

It is an amenable number.

241178261 is a deficient number, since it is larger than the sum of its proper divisors (1).

241178261 is an equidigital number, since it uses as much as digits as its factorization.

241178261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 32.

The square root of 241178261 is about 15529.9150351829. The cubic root of 241178261 is about 622.4618222528.

The spelling of 241178261 in words is "two hundred forty-one million, one hundred seventy-eight thousand, two hundred sixty-one".