241400261 has 2 divisors, whose sum is σ = 241400262. Its totient is φ = 241400260.

The previous prime is 241400233. The next prime is 241400281. The reversal of 241400261 is 162004142.

It is an a-pointer prime, because the next prime (241400281) can be obtained adding 241400261 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214036900 + 27363361 = 14630^2 + 5231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241400261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241400231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120700130 + 120700131.

It is an arithmetic number, because the mean of its divisors is an integer number (120700131).

Almost surely, 2^241400261 is an apocalyptic number.

It is an amenable number.

241400261 is a deficient number, since it is larger than the sum of its proper divisors (1).

241400261 is an equidigital number, since it uses as much as digits as its factorization.

241400261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 241400261 is about 15537.0608867958. The cubic root of 241400261 is about 622.6527517701.

The spelling of 241400261 in words is "two hundred forty-one million, four hundred thousand, two hundred sixty-one".