101573 has 2 divisors, whose sum is σ = 101574. Its totient is φ = 101572.

The previous prime is 101561. The next prime is 101581. The reversal of 101573 is 375101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88804 + 12769 = 298^2 + 113^2 .

It is an emirp because it is prime and its reverse (375101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101573 - 2¹⁰ = 100549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50786 + 50787.

It is an arithmetic number, because the mean of its divisors is an integer number (50787).

2¹⁰¹⁵⁷³ is an apocalyptic number.

It is an amenable number.

101573 is a deficient number, since it is larger than the sum of its proper divisors (1).

101573 is an equidigital number, since it uses as much as digits as its factorization.

101573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 101573 is about 318.7051929291. The cubic root of 101573 is about 46.6579972558.

Adding to 101573 its reverse (375101), we get a palindrome (476674).

The spelling of 101573 in words is "one hundred one thousand, five hundred seventy-three".