109247365 has 4 divisors (see below), whose sum is σ = 131096844. Its totient is φ = 87397888.

The previous prime is 109247353. The next prime is 109247371. The reversal of 109247365 is 563742901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563742901 = 19 ⋅29670679.

It can be written as a sum of positive squares in 2 ways, for example, as 85266756 + 23980609 = 9234^2 + 4897^2 .

It is a cyclic number.

It is not a de Polignac number, because 109247365 - 2⁹ = 109246853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10924732 + ... + 10924741.

It is an arithmetic number, because the mean of its divisors is an integer number (32774211).

Almost surely, 2^109247365 is an apocalyptic number.

It is an amenable number.

109247365 is a deficient number, since it is larger than the sum of its proper divisors (21849479).

109247365 is an equidigital number, since it uses as much as digits as its factorization.

109247365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21849478.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 109247365 is about 10452.1464302793. The cubic root of 109247365 is about 478.0466989266.

The spelling of 109247365 in words is "one hundred nine million, two hundred forty-seven thousand, three hundred sixty-five".