480001643 has 4 divisors (see below), whose sum is σ = 523638168. Its totient is φ = 436365120.

The previous prime is 480001631. The next prime is 480001661. The reversal of 480001643 is 346100084.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 480001643 - 2¹² = 479997547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (480001663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21818246 + ... + 21818267.

It is an arithmetic number, because the mean of its divisors is an integer number (130909542).

Almost surely, 2^480001643 is an apocalyptic number.

480001643 is a deficient number, since it is larger than the sum of its proper divisors (43636525).

480001643 is a wasteful number, since it uses less digits than its factorization.

480001643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43636524.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 480001643 is about 21908.9397963480. The cubic root of 480001643 is about 782.9744215838.

The spelling of 480001643 in words is "four hundred eighty million, one thousand, six hundred forty-three".