109573573 has 2 divisors, whose sum is σ = 109573574. Its totient is φ = 109573572.

The previous prime is 109573549. The next prime is 109573637. The reversal of 109573573 is 375375901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102272769 + 7300804 = 10113^2 + 2702^2 .

It is an emirp because it is prime and its reverse (375375901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109573573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109571573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54786786 + 54786787.

It is an arithmetic number, because the mean of its divisors is an integer number (54786787).

Almost surely, 2^109573573 is an apocalyptic number.

It is an amenable number.

109573573 is a deficient number, since it is larger than the sum of its proper divisors (1).

109573573 is an equidigital number, since it uses as much as digits as its factorization.

109573573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 99225, while the sum is 40.

The square root of 109573573 is about 10467.7396318403. The cubic root of 109573573 is about 478.5220351870.

The spelling of 109573573 in words is "one hundred nine million, five hundred seventy-three thousand, five hundred seventy-three".