241021457 has 2 divisors, whose sum is σ = 241021458. Its totient is φ = 241021456.

The previous prime is 241021433. The next prime is 241021463. The reversal of 241021457 is 754120142.

241021457 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., 240591121 + 430336 = 15511^2 + 656^2 .

It is a cyclic number.

It is not a de Polignac number, because 241021457 - 2¹⁰ = 241020433 is a prime.

It is not a weakly prime, because it can be changed into another prime (241021057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120510728 + 120510729.

It is an arithmetic number, because the mean of its divisors is an integer number (120510729).

Almost surely, 2^241021457 is an apocalyptic number.

It is an amenable number.

241021457 is a deficient number, since it is larger than the sum of its proper divisors (1).

241021457 is an equidigital number, since it uses as much as digits as its factorization.

241021457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 241021457 is about 15524.8657643150. The cubic root of 241021457 is about 622.3268934750.

Adding to 241021457 its reverse (754120142), we get a palindrome (995141599).

The spelling of 241021457 in words is "two hundred forty-one million, twenty-one thousand, four hundred fifty-seven".