1000572545173 has 2 divisors, whose sum is σ = 1000572545174. Its totient is φ = 1000572545172.

The previous prime is 1000572545143. The next prime is 1000572545201. The reversal of 1000572545173 is 3715452750001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 561723268324 + 438849276849 = 749482^2 + 662457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000572545173 is a prime.

It is a super-2 number, since 2×1000572545173² (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 (1000572545143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500286272586 + 500286272587.

It is an arithmetic number, because the mean of its divisors is an integer number (500286272587).

Almost surely, 2^{1000572545173} is an apocalyptic number.

It is an amenable number.

1000572545173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000572545173 is an equidigital number, since it uses as much as digits as its factorization.

1000572545173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147000, while the sum is 40.

The spelling of 1000572545173 in words is "one trillion, five hundred seventy-two million, five hundred forty-five thousand, one hundred seventy-three".