109425 has 12 divisors (see below), whose sum is σ = 181040. Its totient is φ = 58320.

The previous prime is 109423. The next prime is 109433. The reversal of 109425 is 524901.

109425 = 20² + 21² + ... + 69².

It is not a de Polignac number, because 109425 - 2¹ = 109423 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 109425.

It is not an unprimeable number, because it can be changed into a prime (109423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 655 + ... + 804.

2¹⁰⁹⁴²⁵ is an apocalyptic number.

109425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109425 is a deficient number, since it is larger than the sum of its proper divisors (71615).

109425 is a wasteful number, since it uses less digits than its factorization.

109425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 109425 is about 330.7944981405. The cubic root of 109425 is about 47.8305658160.

The spelling of 109425 in words is "one hundred nine thousand, four hundred twenty-five".