1317425523 has 8 divisors (see below), whose sum is σ = 1859894928. Its totient is φ = 826619904.

The previous prime is 1317425503. The next prime is 1317425537. The reversal of 1317425523 is 3255247131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1317425523 - 2⁸ = 1317425267 is a prime.

It is a super-2 number, since 2×1317425523² = 3471220017303647058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1317425503) 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, 12915886 + ... + 12915987.

It is an arithmetic number, because the mean of its divisors is an integer number (232486866).

Almost surely, 2^1317425523 is an apocalyptic number.

1317425523 is a deficient number, since it is larger than the sum of its proper divisors (542469405).

1317425523 is a wasteful number, since it uses less digits than its factorization.

1317425523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25831893.

The product of its digits is 25200, while the sum is 33.

The square root of 1317425523 is about 36296.3568833017. The cubic root of 1317425523 is about 1096.2476893598.

The spelling of 1317425523 in words is "one billion, three hundred seventeen million, four hundred twenty-five thousand, five hundred twenty-three".