403130665 has 16 divisors (see below), whose sum is σ = 570700800. Its totient is φ = 267514560.

The previous prime is 403130659. The next prime is 403130671. The reversal of 403130665 is 566031304.

It is an interprime number because it is at equal distance from previous prime (403130659) and next prime (403130671).

It is not a de Polignac number, because 403130665 - 2⁹ = 403130153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184690 + ... + 186859.

It is an arithmetic number, because the mean of its divisors is an integer number (35668800).

Almost surely, 2^403130665 is an apocalyptic number.

It is an amenable number.

403130665 is a deficient number, since it is larger than the sum of its proper divisors (167570135).

403130665 is a wasteful number, since it uses less digits than its factorization.

403130665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371592.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 403130665 is about 20078.1140797636. The cubic root of 403130665 is about 738.7235512455.

Adding to 403130665 its reverse (566031304), we get a palindrome (969161969).

The spelling of 403130665 in words is "four hundred three million, one hundred thirty thousand, six hundred sixty-five".