1000620983 has 2 divisors, whose sum is σ = 1000620984. Its totient is φ = 1000620982.

The previous prime is 1000620967. The next prime is 1000620991. The reversal of 1000620983 is 3890260001.

It is a strong prime.

It is an emirp because it is prime and its reverse (3890260001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000620983 - 2⁴ = 1000620967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000620913) 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 as a sum of consecutive naturals, namely, 500310491 + 500310492.

It is an arithmetic number, because the mean of its divisors is an integer number (500310492).

Almost surely, 2^1000620983 is an apocalyptic number.

1000620983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000620983 is an equidigital number, since it uses as much as digits as its factorization.

1000620983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1000620983 is about 31632.5936812017. The cubic root of 1000620983 is about 1000.2069515015.

Adding to 1000620983 its reverse (3890260001), we get a palindrome (4890880984).

The spelling of 1000620983 in words is "one billion, six hundred twenty thousand, nine hundred eighty-three".