921983053 has 2 divisors, whose sum is σ = 921983054. Its totient is φ = 921983052.

The previous prime is 921983021. The next prime is 921983063. The reversal of 921983053 is 350389129.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 651117289 + 270865764 = 25517^2 + 16458^2 .

It is a cyclic number.

It is not a de Polignac number, because 921983053 - 2⁵ = 921983021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 921982997 and 921983015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (921983063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460991526 + 460991527.

It is an arithmetic number, because the mean of its divisors is an integer number (460991527).

Almost surely, 2^921983053 is an apocalyptic number.

It is an amenable number.

921983053 is a deficient number, since it is larger than the sum of its proper divisors (1).

921983053 is an equidigital number, since it uses as much as digits as its factorization.

921983053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 921983053 is about 30364.1738402348. The cubic root of 921983053 is about 973.2871273363.

The spelling of 921983053 in words is "nine hundred twenty-one million, nine hundred eighty-three thousand, fifty-three".