527516376397 has 2 divisors, whose sum is σ = 527516376398. Its totient is φ = 527516376396.

The previous prime is 527516376379. The next prime is 527516376427. The reversal of 527516376397 is 793673615725.

Together with previous prime (527516376379) 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., 484041624361 + 43474752036 = 695731^2 + 208506^2 .

It is a cyclic number.

It is not a de Polignac number, because 527516376397 - 2³¹ = 525368892749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (527516376337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263758188198 + 263758188199.

It is an arithmetic number, because the mean of its divisors is an integer number (263758188199).

Almost surely, 2^527516376397 is an apocalyptic number.

It is an amenable number.

527516376397 is a deficient number, since it is larger than the sum of its proper divisors (1).

527516376397 is an equidigital number, since it uses as much as digits as its factorization.

527516376397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50009400, while the sum is 61.

The spelling of 527516376397 in words is "five hundred twenty-seven billion, five hundred sixteen million, three hundred seventy-six thousand, three hundred ninety-seven".