102026563 has 2 divisors, whose sum is σ = 102026564. Its totient is φ = 102026562.

The previous prime is 102026513. The next prime is 102026567. The reversal of 102026563 is 365620201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102026563 - 2¹⁷ = 101895491 is a prime.

It is not a weakly prime, because it can be changed into another prime (102026567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51013281 + 51013282.

It is an arithmetic number, because the mean of its divisors is an integer number (51013282).

Almost surely, 2^102026563 is an apocalyptic number.

102026563 is a deficient number, since it is larger than the sum of its proper divisors (1).

102026563 is an equidigital number, since it uses as much as digits as its factorization.

102026563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 102026563 is about 10100.8199172146. The cubic root of 102026563 is about 467.2734284878.

Adding to 102026563 its reverse (365620201), we get a palindrome (467646764).

The spelling of 102026563 in words is "one hundred two million, twenty-six thousand, five hundred sixty-three".