1021712383 has 2 divisors, whose sum is σ = 1021712384. Its totient is φ = 1021712382.

The previous prime is 1021712297. The next prime is 1021712399. The reversal of 1021712383 is 3832171201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021712383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025712383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510856191 + 510856192.

It is an arithmetic number, because the mean of its divisors is an integer number (510856192).

Almost surely, 2^1021712383 is an apocalyptic number.

1021712383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021712383 is an equidigital number, since it uses as much as digits as its factorization.

1021712383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1021712383 is about 31964.2359990036. The cubic root of 1021712383 is about 1007.1857029961.

Adding to 1021712383 its reverse (3832171201), we get a palindrome (4853883584).

The spelling of 1021712383 in words is "one billion, twenty-one million, seven hundred twelve thousand, three hundred eighty-three".