241487591 has 2 divisors, whose sum is σ = 241487592. Its totient is φ = 241487590.

The previous prime is 241487573. The next prime is 241487621. The reversal of 241487591 is 195784142.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 241487591 - 2¹⁴ = 241471207 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241487501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120743795 + 120743796.

It is an arithmetic number, because the mean of its divisors is an integer number (120743796).

Almost surely, 2^241487591 is an apocalyptic number.

241487591 is a deficient number, since it is larger than the sum of its proper divisors (1).

241487591 is an equidigital number, since it uses as much as digits as its factorization.

241487591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 41.

The square root of 241487591 is about 15539.8710097607. The cubic root of 241487591 is about 622.7278272330.

The spelling of 241487591 in words is "two hundred forty-one million, four hundred eighty-seven thousand, five hundred ninety-one".