527021164921 has 2 divisors, whose sum is σ = 527021164922. Its totient is φ = 527021164920.

The previous prime is 527021164913. The next prime is 527021164927. The reversal of 527021164921 is 129461120725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512174960896 + 14846204025 = 715664^2 + 121845^2 .

It is a cyclic number.

It is not a de Polignac number, because 527021164921 - 2³ = 527021164913 is a prime.

It is not a weakly prime, because it can be changed into another prime (527021164927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263510582460 + 263510582461.

It is an arithmetic number, because the mean of its divisors is an integer number (263510582461).

Almost surely, 2^527021164921 is an apocalyptic number.

It is an amenable number.

527021164921 is a deficient number, since it is larger than the sum of its proper divisors (1).

527021164921 is an equidigital number, since it uses as much as digits as its factorization.

527021164921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 527021164921 in words is "five hundred twenty-seven billion, twenty-one million, one hundred sixty-four thousand, nine hundred twenty-one".