1317625270 has 16 divisors (see below), whose sum is σ = 2554166160. Its totient is φ = 486507744.

The previous prime is 1317625261. The next prime is 1317625289. The reversal of 1317625270 is 725267131.

It is a super-2 number, since 2×1317625270² = 3472272704285145800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5067660 + ... + 5067919.

It is an arithmetic number, because the mean of its divisors is an integer number (159635385).

Almost surely, 2^1317625270 is an apocalyptic number.

1317625270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1317625270 is a deficient number, since it is larger than the sum of its proper divisors (1236540890).

1317625270 is a wasteful number, since it uses less digits than its factorization.

1317625270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10135599.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 1317625270 is about 36299.1083912539. The cubic root of 1317625270 is about 1096.3030906247.

The spelling of 1317625270 in words is "one billion, three hundred seventeen million, six hundred twenty-five thousand, two hundred seventy".