1503640313 has 8 divisors (see below), whose sum is σ = 1753516800. Its totient is φ = 1288834260.

The previous prime is 1503640289. The next prime is 1503640321. The reversal of 1503640313 is 3130463051.

It is not a de Polignac number, because 1503640313 - 2¹⁶ = 1503574777 is a prime.

It is a super-3 number, since 3×1503640313³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1503640913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2191553 + ... + 2192238.

It is an arithmetic number, because the mean of its divisors is an integer number (219189600).

Almost surely, 2^1503640313 is an apocalyptic number.

It is an amenable number.

1503640313 is a deficient number, since it is larger than the sum of its proper divisors (249876487).

1503640313 is an frugal number, since it uses more digits than its factorization.

1503640313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383812 (or 4383798 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1503640313 is about 38776.8012218646. The cubic root of 1503640313 is about 1145.6395206979.

It can be divided in two parts, 150 and 3640313, that added together give a palindrome (3640463).

The spelling of 1503640313 in words is "one billion, five hundred three million, six hundred forty thousand, three hundred thirteen".