1315315573 has 16 divisors (see below), whose sum is σ = 1551013632. Its totient is φ = 1099656000.

The previous prime is 1315315571. The next prime is 1315315577. The reversal of 1315315573 is 3755135131.

It is a cyclic number.

It is not a de Polignac number, because 1315315573 - 2¹ = 1315315571 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 (1315315571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21783 + ... + 55723.

It is an arithmetic number, because the mean of its divisors is an integer number (96938352).

Almost surely, 2^1315315573 is an apocalyptic number.

1315315573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1315315573 is a deficient number, since it is larger than the sum of its proper divisors (235698059).

1315315573 is a wasteful number, since it uses less digits than its factorization.

1315315573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34236.

The product of its digits is 23625, while the sum is 34.

The square root of 1315315573 is about 36267.2796470868. The cubic root of 1315315573 is about 1095.6621372868.

The spelling of 1315315573 in words is "one billion, three hundred fifteen million, three hundred fifteen thousand, five hundred seventy-three".