526570489 has 2 divisors, whose sum is σ = 526570490. Its totient is φ = 526570488.

The previous prime is 526570399. The next prime is 526570493. The reversal of 526570489 is 984075625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299013264 + 227557225 = 17292^2 + 15085^2 .

It is a cyclic number.

It is not a de Polignac number, because 526570489 - 2¹³ = 526562297 is a prime.

It is not a weakly prime, because it can be changed into another prime (526570589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263285244 + 263285245.

It is an arithmetic number, because the mean of its divisors is an integer number (263285245).

Almost surely, 2^526570489 is an apocalyptic number.

It is an amenable number.

526570489 is a deficient number, since it is larger than the sum of its proper divisors (1).

526570489 is an equidigital number, since it uses as much as digits as its factorization.

526570489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 526570489 is about 22947.1237631212. The cubic root of 526570489 is about 807.5179260335.

The spelling of 526570489 in words is "five hundred twenty-six million, five hundred seventy thousand, four hundred eighty-nine".