527639117 has 2 divisors, whose sum is σ = 527639118. Its totient is φ = 527639116.

The previous prime is 527639093. The next prime is 527639131. The reversal of 527639117 is 711936725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378652681 + 148986436 = 19459^2 + 12206^2 .

It is a cyclic number.

It is not a de Polignac number, because 527639117 - 2⁶ = 527639053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (527639017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263819558 + 263819559.

It is an arithmetic number, because the mean of its divisors is an integer number (263819559).

Almost surely, 2^527639117 is an apocalyptic number.

It is an amenable number.

527639117 is a deficient number, since it is larger than the sum of its proper divisors (1).

527639117 is an equidigital number, since it uses as much as digits as its factorization.

527639117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 41.

The square root of 527639117 is about 22970.3965355411. The cubic root of 527639117 is about 808.0638188695.

The spelling of 527639117 in words is "five hundred twenty-seven million, six hundred thirty-nine thousand, one hundred seventeen".