525055009 has 2 divisors, whose sum is σ = 525055010. Its totient is φ = 525055008.

The previous prime is 525054961. The next prime is 525055019. The reversal of 525055009 is 900550525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499075600 + 25979409 = 22340^2 + 5097^2 .

It is a cyclic number.

It is not a de Polignac number, because 525055009 - 2²¹ = 522957857 is a prime.

It is not a weakly prime, because it can be changed into another prime (525055019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262527504 + 262527505.

It is an arithmetic number, because the mean of its divisors is an integer number (262527505).

Almost surely, 2^525055009 is an apocalyptic number.

It is an amenable number.

525055009 is a deficient number, since it is larger than the sum of its proper divisors (1).

525055009 is an equidigital number, since it uses as much as digits as its factorization.

525055009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 525055009 is about 22914.0788381292. The cubic root of 525055009 is about 806.7424976144.

The spelling of 525055009 in words is "five hundred twenty-five million, fifty-five thousand, nine".