528006611257 has 2 divisors, whose sum is σ = 528006611258. Its totient is φ = 528006611256.

The previous prime is 528006611243. The next prime is 528006611287. The reversal of 528006611257 is 752116600825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 521834309161 + 6172302096 = 722381^2 + 78564^2 .

It is a cyclic number.

It is not a de Polignac number, because 528006611257 - 2³¹ = 525859127609 is a prime.

It is a super-2 number, since 2×528006611257² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (528006611287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264003305628 + 264003305629.

It is an arithmetic number, because the mean of its divisors is an integer number (264003305629).

Almost surely, 2^528006611257 is an apocalyptic number.

It is an amenable number.

528006611257 is a deficient number, since it is larger than the sum of its proper divisors (1).

528006611257 is an equidigital number, since it uses as much as digits as its factorization.

528006611257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 528006611257 in words is "five hundred twenty-eight billion, six million, six hundred eleven thousand, two hundred fifty-seven".