1006503983 has 2 divisors, whose sum is σ = 1006503984. Its totient is φ = 1006503982.

The previous prime is 1006503947. The next prime is 1006503997. The reversal of 1006503983 is 3893056001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1006503983 - 2²⁴ = 989726767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006503083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503251991 + 503251992.

It is an arithmetic number, because the mean of its divisors is an integer number (503251992).

Almost surely, 2^1006503983 is an apocalyptic number.

1006503983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006503983 is an equidigital number, since it uses as much as digits as its factorization.

1006503983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1006503983 is about 31725.4469314461. The cubic root of 1006503983 is about 1002.1633110440.

Adding to 1006503983 its reverse (3893056001), we get a palindrome (4899559984).

The spelling of 1006503983 in words is "one billion, six million, five hundred three thousand, nine hundred eighty-three".