63234305 has 8 divisors (see below), whose sum is σ = 80344872. Its totient is φ = 47611648.

The previous prime is 63234293. The next prime is 63234307. The reversal of 63234305 is 50343236.

It is a Cunningham number, because it is equal to 7952²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 22771984 + 40462321 = 4772^2 + 6361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63234305 - 2⁴ = 63234289 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63234307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371882 + ... + 372051.

It is an arithmetic number, because the mean of its divisors is an integer number (10043109).

Almost surely, 2^63234305 is an apocalyptic number.

It is an amenable number.

63234305 is a deficient number, since it is larger than the sum of its proper divisors (17110567).

63234305 is a wasteful number, since it uses less digits than its factorization.

63234305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743955.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 63234305 is about 7952.0000628773. Note that the first 4 decimals coincide. The cubic root of 63234305 is about 398.3983978185.

The spelling of 63234305 in words is "sixty-three million, two hundred thirty-four thousand, three hundred five".