1325117507 has 4 divisors (see below), whose sum is σ = 1514420016. Its totient is φ = 1135815000.

The previous prime is 1325117473. The next prime is 1325117539. The reversal of 1325117507 is 7057115231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7057115231 = 23 ⋅306831097.

It is a cyclic number.

It is not a de Polignac number, because 1325117507 - 2¹⁶ = 1325051971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325117597) 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, 94651244 + ... + 94651257.

It is an arithmetic number, because the mean of its divisors is an integer number (378605004).

Almost surely, 2^1325117507 is an apocalyptic number.

1325117507 is a deficient number, since it is larger than the sum of its proper divisors (189302509).

1325117507 is an equidigital number, since it uses as much as digits as its factorization.

1325117507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189302508.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 1325117507 is about 36402.1634933969. The cubic root of 1325117507 is about 1098.3770852789.

The spelling of 1325117507 in words is "one billion, three hundred twenty-five million, one hundred seventeen thousand, five hundred seven".