109211573 has 2 divisors, whose sum is σ = 109211574. Its totient is φ = 109211572.

The previous prime is 109211551. The next prime is 109211581. The reversal of 109211573 is 375112901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68277169 + 40934404 = 8263^2 + 6398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109211573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109210573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54605786 + 54605787.

It is an arithmetic number, because the mean of its divisors is an integer number (54605787).

Almost surely, 2^109211573 is an apocalyptic number.

It is an amenable number.

109211573 is a deficient number, since it is larger than the sum of its proper divisors (1).

109211573 is an equidigital number, since it uses as much as digits as its factorization.

109211573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 109211573 is about 10450.4341058159. The cubic root of 109211573 is about 477.9944867860.

The spelling of 109211573 in words is "one hundred nine million, two hundred eleven thousand, five hundred seventy-three".