520071733 has 2 divisors, whose sum is σ = 520071734. Its totient is φ = 520071732.

The previous prime is 520071719. The next prime is 520071793. The reversal of 520071733 is 337170025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348120964 + 171950769 = 18658^2 + 13113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520071733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520071793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260035866 + 260035867.

It is an arithmetic number, because the mean of its divisors is an integer number (260035867).

Almost surely, 2^520071733 is an apocalyptic number.

It is an amenable number.

520071733 is a deficient number, since it is larger than the sum of its proper divisors (1).

520071733 is an equidigital number, since it uses as much as digits as its factorization.

520071733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 520071733 is about 22805.0812978161. The cubic root of 520071733 is about 804.1821267767.

The spelling of 520071733 in words is "five hundred twenty million, seventy-one thousand, seven hundred thirty-three".