103425 has 24 divisors (see below), whose sum is σ = 196416. Its totient is φ = 47040.

The previous prime is 103423. The next prime is 103451. The reversal of 103425 is 524301.

It is not a de Polignac number, because 103425 - 2¹ = 103423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

103425 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103425.

It is not an unprimeable number, because it can be changed into a prime (103421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427 + ... + 623.

It is an arithmetic number, because the mean of its divisors is an integer number (8184).

It is a Proth number, since it is equal to 101 ⋅ 2¹⁰ + 1 and 101 < 2¹⁰.

2¹⁰³⁴²⁵ is an apocalyptic number.

103425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103425 is a deficient number, since it is larger than the sum of its proper divisors (92991).

103425 is a wasteful number, since it uses less digits than its factorization.

103425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 103425 is about 321.5975746177. The cubic root of 103425 is about 46.9398657527.

Adding to 103425 its reverse (524301), we get a palindrome (627726).

It can be divided in two parts, 103 and 425, that added together give a triangular number (528 = T₃₂).

The spelling of 103425 in words is "one hundred three thousand, four hundred twenty-five".