7403425 has 6 divisors (see below), whose sum is σ = 9180278. Its totient is φ = 5922720.

The previous prime is 7403423. The next prime is 7403453. The reversal of 7403425 is 5243047.

It can be written as a sum of positive squares in 3 ways, for example, as 91809 + 7311616 = 303^2 + 2704^2 .

It is not a de Polignac number, because 7403425 - 2¹ = 7403423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 296137 = 7403425 / (7 + 4 + 0 + 3 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7403425.

It is not an unprimeable number, because it can be changed into a prime (7403423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148044 + ... + 148093.

Almost surely, 2^7403425 is an apocalyptic number.

It is an amenable number.

7403425 is a deficient number, since it is larger than the sum of its proper divisors (1776853).

7403425 is a wasteful number, since it uses less digits than its factorization.

7403425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296147 (or 296142 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 7403425 is about 2720.9235564418. The cubic root of 7403425 is about 194.8995757288.

The spelling of 7403425 in words is "seven million, four hundred three thousand, four hundred twenty-five".