1318876325 has 12 divisors (see below), whose sum is σ = 1761207588. Its totient is φ = 973939200.

The previous prime is 1318876319. The next prime is 1318876343. The reversal of 1318876325 is 5236788131.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5466244 + 1313410081 = 2338^2 + 36241^2 .

It is not a de Polignac number, because 1318876325 - 2⁶ = 1318876261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2028716 + ... + 2029365.

It is an arithmetic number, because the mean of its divisors is an integer number (146767299).

Almost surely, 2^1318876325 is an apocalyptic number.

It is an amenable number.

1318876325 is a deficient number, since it is larger than the sum of its proper divisors (442331263).

1318876325 is a wasteful number, since it uses less digits than its factorization.

1318876325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058104 (or 4058099 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 1318876325 is about 36316.3368885134. The cubic root of 1318876325 is about 1096.6499524229.

It can be divided in two parts, 13 and 18876325, that multiplied together give a square (245392225 = 15665²).

The spelling of 1318876325 in words is "one billion, three hundred eighteen million, eight hundred seventy-six thousand, three hundred twenty-five".