521080463 has 2 divisors, whose sum is σ = 521080464. Its totient is φ = 521080462.

The previous prime is 521080409. The next prime is 521080517. The reversal of 521080463 is 364080125.

It is a balanced prime because it is at equal distance from previous prime (521080409) and next prime (521080517).

It is a cyclic number.

It is not a de Polignac number, because 521080463 - 2²⁶ = 453971599 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 (521080163) 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, 260540231 + 260540232.

It is an arithmetic number, because the mean of its divisors is an integer number (260540232).

Almost surely, 2^521080463 is an apocalyptic number.

521080463 is a deficient number, since it is larger than the sum of its proper divisors (1).

521080463 is an equidigital number, since it uses as much as digits as its factorization.

521080463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 521080463 is about 22827.1869269956. The cubic root of 521080463 is about 804.7017209537.

The spelling of 521080463 in words is "five hundred twenty-one million, eighty thousand, four hundred sixty-three".