1313454573 has 24 divisors (see below), whose sum is σ = 1965108600. Its totient is φ = 844376064.

The previous prime is 1313454563. The next prime is 1313454581. The reversal of 1313454573 is 3754543131.

1313454573 is a `hidden beast` number, since 1 + 3 + 1 + 34 + 54 + 573 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 35964009 + 1277490564 = 5997^2 + 35742^2 .

It is not a de Polignac number, because 1313454573 - 2⁹ = 1313454061 is a prime.

It is a super-2 number, since 2×1313454573² = 3450325830669224658, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313454523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239761 + ... + 245177.

It is an arithmetic number, because the mean of its divisors is an integer number (81879525).

Almost surely, 2^1313454573 is an apocalyptic number.

It is an amenable number.

1313454573 is a deficient number, since it is larger than the sum of its proper divisors (651654027).

1313454573 is a wasteful number, since it uses less digits than its factorization.

1313454573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381 (or 6378 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 1313454573 is about 36241.6138299607. The cubic root of 1313454573 is about 1095.1451537105.

The spelling of 1313454573 in words is "one billion, three hundred thirteen million, four hundred fifty-four thousand, five hundred seventy-three".