403545425 has 12 divisors (see below), whose sum is σ = 501338076. Its totient is φ = 322228800.

The previous prime is 403545413. The next prime is 403545433. The reversal of 403545425 is 524545304.

It can be written as a sum of positive squares in 6 ways, for example, as 87310336 + 316235089 = 9344^2 + 17783^2 .

It is not a de Polignac number, because 403545425 - 2⁶ = 403545361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403545391 and 403545400.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1394 + ... + 28443.

It is an arithmetic number, because the mean of its divisors is an integer number (41778173).

Almost surely, 2^403545425 is an apocalyptic number.

It is an amenable number.

403545425 is a deficient number, since it is larger than the sum of its proper divisors (97792651).

403545425 is a wasteful number, since it uses less digits than its factorization.

403545425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30388 (or 30383 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 403545425 is about 20088.4400837895. The cubic root of 403545425 is about 738.9768090513.

The spelling of 403545425 in words is "four hundred three million, five hundred forty-five thousand, four hundred twenty-five".