520525003 has 2 divisors, whose sum is σ = 520525004. Its totient is φ = 520525002.

The previous prime is 520524997. The next prime is 520525037. The reversal of 520525003 is 300525025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520525003 - 2¹³ = 520516811 is a prime.

It is not a weakly prime, because it can be changed into another prime (520525063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260262501 + 260262502.

It is an arithmetic number, because the mean of its divisors is an integer number (260262502).

Almost surely, 2^520525003 is an apocalyptic number.

520525003 is a deficient number, since it is larger than the sum of its proper divisors (1).

520525003 is an equidigital number, since it uses as much as digits as its factorization.

520525003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 520525003 is about 22815.0170501799. The cubic root of 520525003 is about 804.4156880105.

Adding to 520525003 its sum of digits (22), we get a palindrome (520525025).

The spelling of 520525003 in words is "five hundred twenty million, five hundred twenty-five thousand, three".