520525063 has 2 divisors, whose sum is σ = 520525064. Its totient is φ = 520525062.

The previous prime is 520525037. The next prime is 520525067. The reversal of 520525063 is 360525025.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520525063 is a prime.

It is a super-2 number, since 2×520525063² = 541892682422307938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520525067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260262531 + 260262532.

It is an arithmetic number, because the mean of its divisors is an integer number (260262532).

Almost surely, 2^520525063 is an apocalyptic number.

520525063 is a deficient number, since it is larger than the sum of its proper divisors (1).

520525063 is an equidigital number, since it uses as much as digits as its factorization.

520525063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 520525063 is about 22815.0183651033. The cubic root of 520525063 is about 804.4157189183.

The spelling of 520525063 in words is "five hundred twenty million, five hundred twenty-five thousand, sixty-three".