520602947 has 2 divisors, whose sum is σ = 520602948. Its totient is φ = 520602946.

The previous prime is 520602937. The next prime is 520602949. The reversal of 520602947 is 749206025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520602947 - 2¹⁶ = 520537411 is a prime.

Together with 520602949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (520602949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260301473 + 260301474.

It is an arithmetic number, because the mean of its divisors is an integer number (260301474).

Almost surely, 2^520602947 is an apocalyptic number.

520602947 is a deficient number, since it is larger than the sum of its proper divisors (1).

520602947 is an equidigital number, since it uses as much as digits as its factorization.

520602947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 520602947 is about 22816.7251594088. The cubic root of 520602947 is about 804.4558373768.

The spelling of 520602947 in words is "five hundred twenty million, six hundred two thousand, nine hundred forty-seven".