525520033 has 2 divisors, whose sum is σ = 525520034. Its totient is φ = 525520032.

The previous prime is 525520027. The next prime is 525520043. The reversal of 525520033 is 330025525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 516561984 + 8958049 = 22728^2 + 2993^2 .

It is a cyclic number.

It is not a de Polignac number, because 525520033 - 2²¹ = 523422881 is a prime.

It is not a weakly prime, because it can be changed into another prime (525520043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262760016 + 262760017.

It is an arithmetic number, because the mean of its divisors is an integer number (262760017).

Almost surely, 2^525520033 is an apocalyptic number.

It is an amenable number.

525520033 is a deficient number, since it is larger than the sum of its proper divisors (1).

525520033 is an equidigital number, since it uses as much as digits as its factorization.

525520033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 525520033 is about 22924.2237164097. The cubic root of 525520033 is about 806.9805957928.

Adding to 525520033 its reverse (330025525), we get a palindrome (855545558).

The spelling of 525520033 in words is "five hundred twenty-five million, five hundred twenty thousand, thirty-three".