541417021 has 2 divisors, whose sum is σ = 541417022. Its totient is φ = 541417020.

The previous prime is 541417001. The next prime is 541417049. The reversal of 541417021 is 120714145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410062500 + 131354521 = 20250^2 + 11461^2 .

It is a cyclic number.

It is not a de Polignac number, because 541417021 - 2¹⁷ = 541285949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541417001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270708510 + 270708511.

It is an arithmetic number, because the mean of its divisors is an integer number (270708511).

Almost surely, 2^541417021 is an apocalyptic number.

It is an amenable number.

541417021 is a deficient number, since it is larger than the sum of its proper divisors (1).

541417021 is an equidigital number, since it uses as much as digits as its factorization.

541417021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 541417021 is about 23268.3695389256. The cubic root of 541417021 is about 815.0369566841.

The spelling of 541417021 in words is "five hundred forty-one million, four hundred seventeen thousand, twenty-one".