520433629 has 2 divisors, whose sum is σ = 520433630. Its totient is φ = 520433628.

The previous prime is 520433567. The next prime is 520433647. The reversal of 520433629 is 926334025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 516425625 + 4008004 = 22725^2 + 2002^2 .

It is a cyclic number.

It is not a de Polignac number, because 520433629 - 2⁹ = 520433117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520433594 and 520433603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520443629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260216814 + 260216815.

It is an arithmetic number, because the mean of its divisors is an integer number (260216815).

Almost surely, 2^520433629 is an apocalyptic number.

It is an amenable number.

520433629 is a deficient number, since it is larger than the sum of its proper divisors (1).

520433629 is an equidigital number, since it uses as much as digits as its factorization.

520433629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 520433629 is about 22813.0144654318. The cubic root of 520433629 is about 804.3686156765.

The spelling of 520433629 in words is "five hundred twenty million, four hundred thirty-three thousand, six hundred twenty-nine".