241487621 has 2 divisors, whose sum is σ = 241487622. Its totient is φ = 241487620.

The previous prime is 241487591. The next prime is 241487629. The reversal of 241487621 is 126784142.

241487621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237930625 + 3556996 = 15425^2 + 1886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241487621 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 (241487629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120743810 + 120743811.

It is an arithmetic number, because the mean of its divisors is an integer number (120743811).

Almost surely, 2^241487621 is an apocalyptic number.

It is an amenable number.

241487621 is a deficient number, since it is larger than the sum of its proper divisors (1).

241487621 is an equidigital number, since it uses as much as digits as its factorization.

241487621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 35.

The square root of 241487621 is about 15539.8719750196. The cubic root of 241487621 is about 622.7278530202.

The spelling of 241487621 in words is "two hundred forty-one million, four hundred eighty-seven thousand, six hundred twenty-one".