525456329 has 2 divisors, whose sum is σ = 525456330. Its totient is φ = 525456328.

The previous prime is 525456319. The next prime is 525456353. The reversal of 525456329 is 923654525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365383225 + 160073104 = 19115^2 + 12652^2 .

It is a cyclic number.

It is not a de Polignac number, because 525456329 - 2⁸ = 525456073 is a prime.

It is a super-2 number, since 2×525456329² = 552208707372312482, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (525456319) 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, 262728164 + 262728165.

It is an arithmetic number, because the mean of its divisors is an integer number (262728165).

Almost surely, 2^525456329 is an apocalyptic number.

It is an amenable number.

525456329 is a deficient number, since it is larger than the sum of its proper divisors (1).

525456329 is an equidigital number, since it uses as much as digits as its factorization.

525456329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 41.

The square root of 525456329 is about 22922.8342270322. The cubic root of 525456329 is about 806.9479868429.

The spelling of 525456329 in words is "five hundred twenty-five million, four hundred fifty-six thousand, three hundred twenty-nine".