481564634 has 8 divisors (see below), whose sum is σ = 724284660. Its totient is φ = 240136416.

The previous prime is 481564619. The next prime is 481564637. The reversal of 481564634 is 436465184.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 459030625 + 22534009 = 21425^2 + 4747^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 481564591 and 481564600.

It is not an unprimeable number, because it can be changed into a prime (481564637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322019 + ... + 323510.

Almost surely, 2^481564634 is an apocalyptic number.

481564634 is a deficient number, since it is larger than the sum of its proper divisors (242720026).

481564634 is a wasteful number, since it uses less digits than its factorization.

481564634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645904.

The product of its digits is 276480, while the sum is 41.

The square root of 481564634 is about 21944.5809711646. The cubic root of 481564634 is about 783.8233465049.

The spelling of 481564634 in words is "four hundred eighty-one million, five hundred sixty-four thousand, six hundred thirty-four".