403130263 has 4 divisors (see below), whose sum is σ = 403276888. Its totient is φ = 402983640.

The previous prime is 403130237. The next prime is 403130297. The reversal of 403130263 is 362031304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 403130263 - 2⁹ = 403129751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403130213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69108 + ... + 74713.

It is an arithmetic number, because the mean of its divisors is an integer number (100819222).

Almost surely, 2^403130263 is an apocalyptic number.

403130263 is a deficient number, since it is larger than the sum of its proper divisors (146625).

403130263 is a wasteful number, since it uses less digits than its factorization.

403130263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146624.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 403130263 is about 20078.1040688607. The cubic root of 403130263 is about 738.7233056949.

Adding to 403130263 its reverse (362031304), we get a palindrome (765161567).

The spelling of 403130263 in words is "four hundred three million, one hundred thirty thousand, two hundred sixty-three".