403603125 has 24 divisors (see below), whose sum is σ = 672644448. Its totient is φ = 215250000.

The previous prime is 403603097. The next prime is 403603133. The reversal of 403603125 is 521306304.

It is a happy number.

It is not a de Polignac number, because 403603125 - 2⁵ = 403603093 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 403603095 and 403603104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12151 + ... + 30900.

It is an arithmetic number, because the mean of its divisors is an integer number (28026852).

Almost surely, 2^403603125 is an apocalyptic number.

It is an amenable number.

403603125 is a deficient number, since it is larger than the sum of its proper divisors (269041323).

403603125 is an frugal number, since it uses more digits than its factorization.

403603125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43079 (or 43059 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 403603125 is about 20089.8761817986. The cubic root of 403603125 is about 739.0120276638.

Adding to 403603125 its reverse (521306304), we get a palindrome (924909429).

The spelling of 403603125 in words is "four hundred three million, six hundred three thousand, one hundred twenty-five".