1403303413 has 4 divisors (see below), whose sum is σ = 1404300780. Its totient is φ = 1402306048.

The previous prime is 1403303401. The next prime is 1403303431. The reversal of 1403303413 is 3143033041.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 655718449 + 747584964 = 25607^2 + 27342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403303413 - 2¹³ = 1403295221 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 (1403300413) 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, 496570 + ... + 499387.

It is an arithmetic number, because the mean of its divisors is an integer number (351075195).

Almost surely, 2^1403303413 is an apocalyptic number.

It is an amenable number.

1403303413 is a deficient number, since it is larger than the sum of its proper divisors (997367).

1403303413 is an equidigital number, since it uses as much as digits as its factorization.

1403303413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997366.

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

The square root of 1403303413 is about 37460.6915712991. The cubic root of 1403303413 is about 1119.5681298897.

Adding to 1403303413 its reverse (3143033041), we get a palindrome (4546336454).

The spelling of 1403303413 in words is "one billion, four hundred three million, three hundred three thousand, four hundred thirteen".