1313475653 has 4 divisors (see below), whose sum is σ = 1501115040. Its totient is φ = 1125836268.

The previous prime is 1313475613. The next prime is 1313475701. The reversal of 1313475653 is 3565743131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3565743131 = 79 ⋅45135989.

It is a cyclic number.

It is not a de Polignac number, because 1313475653 - 2¹⁴ = 1313459269 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 (1313475613) 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, 93819683 + ... + 93819696.

It is an arithmetic number, because the mean of its divisors is an integer number (375278760).

Almost surely, 2^1313475653 is an apocalyptic number.

It is an amenable number.

1313475653 is a deficient number, since it is larger than the sum of its proper divisors (187639387).

1313475653 is an equidigital number, since it uses as much as digits as its factorization.

1313475653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187639386.

The product of its digits is 113400, while the sum is 38.

The square root of 1313475653 is about 36241.9046546950. The cubic root of 1313475653 is about 1095.1510124429.

The spelling of 1313475653 in words is "one billion, three hundred thirteen million, four hundred seventy-five thousand, six hundred fifty-three".