403130265 has 32 divisors (see below), whose sum is σ = 684132480. Its totient is φ = 202005504.

The previous prime is 403130237. The next prime is 403130297. The reversal of 403130265 is 562031304.

It is a happy number.

It is not a de Polignac number, because 403130265 - 2⁸ = 403130009 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 210442 + ... + 212348.

It is an arithmetic number, because the mean of its divisors is an integer number (21379140).

Almost surely, 2^403130265 is an apocalyptic number.

It is an amenable number.

403130265 is a deficient number, since it is larger than the sum of its proper divisors (281002215).

403130265 is a wasteful number, since it uses less digits than its factorization.

403130265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761.

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

The square root of 403130265 is about 20078.1041186662. The cubic root of 403130265 is about 738.7233069166.

Adding to 403130265 its reverse (562031304), we get a palindrome (965161569).

The spelling of 403130265 in words is "four hundred three million, one hundred thirty thousand, two hundred sixty-five".