63104945 has 16 divisors (see below), whose sum is σ = 77852880. Its totient is φ = 49075200.

The previous prime is 63104941. The next prime is 63104959. The reversal of 63104945 is 54940136.

It can be written as a sum of positive squares in 8 ways, for example, as 19439281 + 43665664 = 4409^2 + 6608^2 .

It is not a de Polignac number, because 63104945 - 2² = 63104941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63104941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110621 + ... + 111189.

It is an arithmetic number, because the mean of its divisors is an integer number (4865805).

Almost surely, 2^63104945 is an apocalyptic number.

It is an amenable number.

63104945 is a deficient number, since it is larger than the sum of its proper divisors (14747935).

63104945 is a wasteful number, since it uses less digits than its factorization.

63104945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 63104945 is about 7943.8620959833. The cubic root of 63104945 is about 398.1265411624.

The spelling of 63104945 in words is "sixty-three million, one hundred four thousand, nine hundred forty-five".