525773009 has 2 divisors, whose sum is σ = 525773010. Its totient is φ = 525773008.

The previous prime is 525772981. The next prime is 525773033. The reversal of 525773009 is 900377525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 355209409 + 170563600 = 18847^2 + 13060^2 .

It is a cyclic number.

It is not a de Polignac number, because 525773009 - 2¹² = 525768913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (525733009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262886504 + 262886505.

It is an arithmetic number, because the mean of its divisors is an integer number (262886505).

Almost surely, 2^525773009 is an apocalyptic number.

It is an amenable number.

525773009 is a deficient number, since it is larger than the sum of its proper divisors (1).

525773009 is an equidigital number, since it uses as much as digits as its factorization.

525773009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 525773009 is about 22929.7407093931. The cubic root of 525773009 is about 807.1100637240.

The spelling of 525773009 in words is "five hundred twenty-five million, seven hundred seventy-three thousand, nine".