501043487 has 8 divisors (see below), whose sum is σ = 581168256. Its totient is φ = 423055512.

The previous prime is 501043481. The next prime is 501043489. The reversal of 501043487 is 784340105.

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 501043487 - 2⁶ = 501043423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501043481) 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, 533693 + ... + 534630.

It is an arithmetic number, because the mean of its divisors is an integer number (72646032).

Almost surely, 2^501043487 is an apocalyptic number.

501043487 is a deficient number, since it is larger than the sum of its proper divisors (80124769).

501043487 is a wasteful number, since it uses less digits than its factorization.

501043487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068397.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 501043487 is about 22384.0006924589. Note that the first 3 decimals coincide. The cubic root of 501043487 is about 794.2522864459.

The spelling of 501043487 in words is "five hundred one million, forty-three thousand, four hundred eighty-seven".