526090613 has 2 divisors, whose sum is σ = 526090614. Its totient is φ = 526090612.

The previous prime is 526090577. The next prime is 526090703. The reversal of 526090613 is 316090625.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326235844 + 199854769 = 18062^2 + 14137^2 .

It is a cyclic number.

It is not a de Polignac number, because 526090613 - 2¹⁰ = 526089589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 526090613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526092613) 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, 263045306 + 263045307.

It is an arithmetic number, because the mean of its divisors is an integer number (263045307).

Almost surely, 2^526090613 is an apocalyptic number.

It is an amenable number.

526090613 is a deficient number, since it is larger than the sum of its proper divisors (1).

526090613 is an equidigital number, since it uses as much as digits as its factorization.

526090613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 526090613 is about 22936.6652545657. The cubic root of 526090613 is about 807.2725481558.

The spelling of 526090613 in words is "five hundred twenty-six million, ninety thousand, six hundred thirteen".