521454041 has 2 divisors, whose sum is σ = 521454042. Its totient is φ = 521454040.

The previous prime is 521454023. The next prime is 521454067. The reversal of 521454041 is 140454125.

It is an a-pointer prime, because the next prime (521454067) can be obtained adding 521454041 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320410000 + 201044041 = 17900^2 + 14179^2 .

It is a cyclic number.

It is not a de Polignac number, because 521454041 - 2¹⁰ = 521453017 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 521454041.

It is not a weakly prime, because it can be changed into another prime (521454641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260727020 + 260727021.

It is an arithmetic number, because the mean of its divisors is an integer number (260727021).

Almost surely, 2^521454041 is an apocalyptic number.

It is an amenable number.

521454041 is a deficient number, since it is larger than the sum of its proper divisors (1).

521454041 is an equidigital number, since it uses as much as digits as its factorization.

521454041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 521454041 is about 22835.3682037317. The cubic root of 521454041 is about 804.8939798392.

The spelling of 521454041 in words is "five hundred twenty-one million, four hundred fifty-four thousand, forty-one".