109397265 has 32 divisors (see below), whose sum is σ = 178867200. Its totient is φ = 57081024.

The previous prime is 109397263. The next prime is 109397273. The reversal of 109397265 is 562793901.

It is not a de Polignac number, because 109397265 - 2¹ = 109397263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109397263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199722 + ... + 200268.

It is an arithmetic number, because the mean of its divisors is an integer number (5589600).

Almost surely, 2^109397265 is an apocalyptic number.

109397265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109397265 is a deficient number, since it is larger than the sum of its proper divisors (69469935).

109397265 is a wasteful number, since it uses less digits than its factorization.

109397265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 109397265 is about 10459.3147481085. The cubic root of 109397265 is about 478.2652440916.

The spelling of 109397265 in words is "one hundred nine million, three hundred ninety-seven thousand, two hundred sixty-five".