525952369 has 2 divisors, whose sum is σ = 525952370. Its totient is φ = 525952368.

The previous prime is 525952363. The next prime is 525952379. The reversal of 525952369 is 963259525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 516880225 + 9072144 = 22735^2 + 3012^2 .

It is a cyclic number.

It is not a de Polignac number, because 525952369 - 2¹⁷ = 525821297 is a prime.

It is a super-2 number, since 2×525952369² = 553251788913424322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (525952363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262976184 + 262976185.

It is an arithmetic number, because the mean of its divisors is an integer number (262976185).

Almost surely, 2^525952369 is an apocalyptic number.

It is an amenable number.

525952369 is a deficient number, since it is larger than the sum of its proper divisors (1).

525952369 is an equidigital number, since it uses as much as digits as its factorization.

525952369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 729000, while the sum is 46.

The square root of 525952369 is about 22933.6514537044. The cubic root of 525952369 is about 807.2018313375.

The spelling of 525952369 in words is "five hundred twenty-five million, nine hundred fifty-two thousand, three hundred sixty-nine".