528431513 has 2 divisors, whose sum is σ = 528431514. Its totient is φ = 528431512.

The previous prime is 528431507. The next prime is 528431531. The reversal of 528431513 is 315134825.

Together with next prime (528431531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 459159184 + 69272329 = 21428^2 + 8323^2 .

It is a cyclic number.

It is not a de Polignac number, because 528431513 - 2²⁰ = 527382937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 528431513.

It is not a weakly prime, because it can be changed into another prime (528431543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264215756 + 264215757.

It is an arithmetic number, because the mean of its divisors is an integer number (264215757).

Almost surely, 2^528431513 is an apocalyptic number.

It is an amenable number.

528431513 is a deficient number, since it is larger than the sum of its proper divisors (1).

528431513 is an equidigital number, since it uses as much as digits as its factorization.

528431513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 528431513 is about 22987.6382649458. The cubic root of 528431513 is about 808.4681269479.

The spelling of 528431513 in words is "five hundred twenty-eight million, four hundred thirty-one thousand, five hundred thirteen".