63256434 has 32 divisors (see below), whose sum is σ = 133529280. Its totient is φ = 19922112.

The previous prime is 63256433. The next prime is 63256447. The reversal of 63256434 is 43465236.

It is a junction number, because it is equal to n+sod(n) for n = 63256395 and 63256404.

It is not an unprimeable number, because it can be changed into a prime (63256433) 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, 83184 + ... + 83940.

It is an arithmetic number, because the mean of its divisors is an integer number (4172790).

Almost surely, 2^63256434 is an apocalyptic number.

63256434 is an abundant number, since it is smaller than the sum of its proper divisors (70272846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63256434 is a wasteful number, since it uses less digits than its factorization.

63256434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514.

The product of its digits is 51840, while the sum is 33.

The square root of 63256434 is about 7953.3913521214. The cubic root of 63256434 is about 398.4448658969. Note that the first 3 decimals are identical.

The spelling of 63256434 in words is "sixty-three million, two hundred fifty-six thousand, four hundred thirty-four".