104564947 has 2 divisors, whose sum is σ = 104564948. Its totient is φ = 104564946.

The previous prime is 104564939. The next prime is 104565017. The reversal of 104564947 is 749465401.

It is a weak prime.

It is an emirp because it is prime and its reverse (749465401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104564947 - 2³ = 104564939 is a prime.

It is a super-2 number, since 2×104564947² = 21867656282225618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104514947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52282473 + 52282474.

It is an arithmetic number, because the mean of its divisors is an integer number (52282474).

Almost surely, 2^104564947 is an apocalyptic number.

104564947 is a deficient number, since it is larger than the sum of its proper divisors (1).

104564947 is an equidigital number, since it uses as much as digits as its factorization.

104564947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 104564947 is about 10225.7003183156. The cubic root of 104564947 is about 471.1169256065.

The spelling of 104564947 in words is "one hundred four million, five hundred sixty-four thousand, nine hundred forty-seven".