520772927 has 2 divisors, whose sum is σ = 520772928. Its totient is φ = 520772926.

The previous prime is 520772911. The next prime is 520772929. The reversal of 520772927 is 729277025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520772927 - 2⁴ = 520772911 is a prime.

It is a super-2 number, since 2×520772927² = 542408882992294658, which contains 22 as substring.

Together with 520772929, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520772929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260386463 + 260386464.

It is an arithmetic number, because the mean of its divisors is an integer number (260386464).

Almost surely, 2^520772927 is an apocalyptic number.

520772927 is a deficient number, since it is larger than the sum of its proper divisors (1).

520772927 is an equidigital number, since it uses as much as digits as its factorization.

520772927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 520772927 is about 22820.4497545513. The cubic root of 520772927 is about 804.5433810762.

The spelling of 520772927 in words is "five hundred twenty million, seven hundred seventy-two thousand, nine hundred twenty-seven".