531068983 has 4 divisors (see below), whose sum is σ = 531145440. Its totient is φ = 530992528.

The previous prime is 531068969. The next prime is 531068987. The reversal of 531068983 is 389860135.

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 531068983 - 2¹³ = 531060791 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 (531068987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26638 + ... + 42091.

It is an arithmetic number, because the mean of its divisors is an integer number (132786360).

Almost surely, 2^531068983 is an apocalyptic number.

531068983 is a deficient number, since it is larger than the sum of its proper divisors (76457).

531068983 is an equidigital number, since it uses as much as digits as its factorization.

531068983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76456.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 531068983 is about 23044.9339986037. The cubic root of 531068983 is about 809.8109516640.

The spelling of 531068983 in words is "five hundred thirty-one million, sixty-eight thousand, nine hundred eighty-three".