1055320001 has 2 divisors, whose sum is σ = 1055320002. Its totient is φ = 1055320000.

The previous prime is 1055319977. The next prime is 1055320003. The reversal of 1055320001 is 1000235501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 655360000 + 399960001 = 25600^2 + 19999^2 .

It is an emirp because it is prime and its reverse (1000235501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1055320001 - 2²² = 1051125697 is a prime.

It is a super-2 number, since 2×1055320001² = 2227400609021280002, which contains 22 as substring.

Together with 1055320003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1055320003) 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 as a sum of consecutive naturals, namely, 527660000 + 527660001.

It is an arithmetic number, because the mean of its divisors is an integer number (527660001).

Almost surely, 2^1055320001 is an apocalyptic number.

It is an amenable number.

1055320001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055320001 is an equidigital number, since it uses as much as digits as its factorization.

1055320001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1055320001 is about 32485.6891723109. The cubic root of 1055320001 is about 1018.1100466694.

Adding to 1055320001 its reverse (1000235501), we get a palindrome (2055555502).

The spelling of 1055320001 in words is "one billion, fifty-five million, three hundred twenty thousand, one".