501528983 has 4 divisors (see below), whose sum is σ = 510991848. Its totient is φ = 492066120.

The previous prime is 501528941. The next prime is 501528991. The reversal of 501528983 is 389825105.

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 501528983 - 2¹² = 501524887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 501528983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501528283) 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, 4731353 + ... + 4731458.

It is an arithmetic number, because the mean of its divisors is an integer number (127747962).

Almost surely, 2^501528983 is an apocalyptic number.

501528983 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

501528983 is a deficient number, since it is larger than the sum of its proper divisors (9462865).

501528983 is an equidigital number, since it uses as much as digits as its factorization.

501528983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9462864.

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 501528983 is about 22394.8427768538. The cubic root of 501528983 is about 794.5087391212.

The spelling of 501528983 in words is "five hundred one million, five hundred twenty-eight thousand, nine hundred eighty-three".