34578563 has 2 divisors, whose sum is σ = 34578564. Its totient is φ = 34578562.

The previous prime is 34578553. The next prime is 34578569. The reversal of 34578563 is 36587543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34578563 - 2¹⁰ = 34577539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34578563.

It is not a weakly prime, because it can be changed into another prime (34578569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17289281 + 17289282.

It is an arithmetic number, because the mean of its divisors is an integer number (17289282).

Almost surely, 2^34578563 is an apocalyptic number.

34578563 is a deficient number, since it is larger than the sum of its proper divisors (1).

34578563 is an equidigital number, since it uses as much as digits as its factorization.

34578563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The square root of 34578563 is about 5880.3539859434. The cubic root of 34578563 is about 325.7884226898.

The spelling of 34578563 in words is "thirty-four million, five hundred seventy-eight thousand, five hundred sixty-three".