1055273917 has 2 divisors, whose sum is σ = 1055273918. Its totient is φ = 1055273916.

The previous prime is 1055273893. The next prime is 1055273951. The reversal of 1055273917 is 7193725501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 740601796 + 314672121 = 27214^2 + 17739^2 .

It is an emirp because it is prime and its reverse (7193725501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1055273917 - 2¹¹ = 1055271869 is a prime.

It is a super-2 number, since 2×1055273917² = 2227206079801045778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055273917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055273017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527636958 + 527636959.

It is an arithmetic number, because the mean of its divisors is an integer number (527636959).

Almost surely, 2^1055273917 is an apocalyptic number.

It is an amenable number.

1055273917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055273917 is an equidigital number, since it uses as much as digits as its factorization.

1055273917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 1055273917 is about 32484.9798676250. The cubic root of 1055273917 is about 1018.0952267518.

The spelling of 1055273917 in words is "one billion, fifty-five million, two hundred seventy-three thousand, nine hundred seventeen".