1052340322157 has 2 divisors, whose sum is σ = 1052340322158. Its totient is φ = 1052340322156.

The previous prime is 1052340322129. The next prime is 1052340322177. The reversal of 1052340322157 is 7512230432501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 981696529636 + 70643792521 = 990806^2 + 265789^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052340322157 - 2¹⁴ = 1052340305773 is a prime.

It is a super-2 number, since 2×1052340322157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052340322177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526170161078 + 526170161079.

It is an arithmetic number, because the mean of its divisors is an integer number (526170161079).

Almost surely, 2^{1052340322157} is an apocalyptic number.

It is an amenable number.

1052340322157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052340322157 is an equidigital number, since it uses as much as digits as its factorization.

1052340322157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 1052340322157 its reverse (7512230432501), we get a palindrome (8564570754658).

The spelling of 1052340322157 in words is "one trillion, fifty-two billion, three hundred forty million, three hundred twenty-two thousand, one hundred fifty-seven".