527987557 has 2 divisors, whose sum is σ = 527987558. Its totient is φ = 527987556.

The previous prime is 527987549. The next prime is 527987623. The reversal of 527987557 is 755789725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398960676 + 129026881 = 19974^2 + 11359^2 .

It is a cyclic number.

It is not a de Polignac number, because 527987557 - 2³ = 527987549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 527987498 and 527987507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (527987527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263993778 + 263993779.

It is an arithmetic number, because the mean of its divisors is an integer number (263993779).

Almost surely, 2^527987557 is an apocalyptic number.

It is an amenable number.

527987557 is a deficient number, since it is larger than the sum of its proper divisors (1).

527987557 is an equidigital number, since it uses as much as digits as its factorization.

527987557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6174000, while the sum is 55.

The square root of 527987557 is about 22977.9798285228. The cubic root of 527987557 is about 808.2416549395.

The spelling of 527987557 in words is "five hundred twenty-seven million, nine hundred eighty-seven thousand, five hundred fifty-seven".