1317424571 has 4 divisors (see below), whose sum is σ = 1394920152. Its totient is φ = 1239928992.

The previous prime is 1317424561. The next prime is 1317424663. The reversal of 1317424571 is 1754247131.

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

It is a cyclic number.

It is not a de Polignac number, because 1317424571 - 2²⁶ = 1250315707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1317424531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38747765 + ... + 38747798.

It is an arithmetic number, because the mean of its divisors is an integer number (348730038).

Almost surely, 2^1317424571 is an apocalyptic number.

1317424571 is a deficient number, since it is larger than the sum of its proper divisors (77495581).

1317424571 is an equidigital number, since it uses as much as digits as its factorization.

1317424571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77495580.

The product of its digits is 23520, while the sum is 35.

The square root of 1317424571 is about 36296.3437690355. The cubic root of 1317424571 is about 1096.2474253023.

The spelling of 1317424571 in words is "one billion, three hundred seventeen million, four hundred twenty-four thousand, five hundred seventy-one".