102608563 has 2 divisors, whose sum is σ = 102608564. Its totient is φ = 102608562.

The previous prime is 102608551. The next prime is 102608573. The reversal of 102608563 is 365806201.

It is a strong prime.

It is an emirp because it is prime and its reverse (365806201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102608563 is a prime.

It is not a weakly prime, because it can be changed into another prime (102608503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51304281 + 51304282.

It is an arithmetic number, because the mean of its divisors is an integer number (51304282).

Almost surely, 2^102608563 is an apocalyptic number.

102608563 is a deficient number, since it is larger than the sum of its proper divisors (1).

102608563 is an equidigital number, since it uses as much as digits as its factorization.

102608563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 102608563 is about 10129.5884911481. The cubic root of 102608563 is about 468.1602487119.

The spelling of 102608563 in words is "one hundred two million, six hundred eight thousand, five hundred sixty-three".