520791763 has 2 divisors, whose sum is σ = 520791764. Its totient is φ = 520791762.

The previous prime is 520791751. The next prime is 520791769. The reversal of 520791763 is 367197025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520791763 - 2⁵ = 520791731 is a prime.

It is not a weakly prime, because it can be changed into another prime (520791769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260395881 + 260395882.

It is an arithmetic number, because the mean of its divisors is an integer number (260395882).

Almost surely, 2^520791763 is an apocalyptic number.

520791763 is a deficient number, since it is larger than the sum of its proper divisors (1).

520791763 is an equidigital number, since it uses as much as digits as its factorization.

520791763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 520791763 is about 22820.8624508365. The cubic root of 520791763 is about 804.5530808869.

The spelling of 520791763 in words is "five hundred twenty million, seven hundred ninety-one thousand, seven hundred sixty-three".