521063 has 2 divisors, whose sum is σ = 521064. Its totient is φ = 521062.

The previous prime is 521051. The next prime is 521107. The reversal of 521063 is 360125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 521063 - 2⁴ = 521047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (521023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260531 + 260532.

It is an arithmetic number, because the mean of its divisors is an integer number (260532).

2⁵²¹⁰⁶³ is an apocalyptic number.

521063 is a deficient number, since it is larger than the sum of its proper divisors (1).

521063 is an equidigital number, since it uses as much as digits as its factorization.

521063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 521063 is about 721.8469366839. The cubic root of 521063 is about 80.4692731515.

Adding to 521063 its reverse (360125), we get a palindrome (881188).

The spelling of 521063 in words is "five hundred twenty-one thousand, sixty-three".