1325345667 has 4 divisors (see below), whose sum is σ = 1767127560. Its totient is φ = 883563776.

The previous prime is 1325345641. The next prime is 1325345669. The reversal of 1325345667 is 7665435231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7665435231 = 3 ⋅2555145077.

It is a cyclic number.

It is not a de Polignac number, because 1325345667 - 2¹⁴ = 1325329283 is a prime.

It is a super-2 number, since 2×1325345667² = 3513082274071349778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1325345669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220890942 + ... + 220890947.

It is an arithmetic number, because the mean of its divisors is an integer number (441781890).

Almost surely, 2^1325345667 is an apocalyptic number.

1325345667 is a deficient number, since it is larger than the sum of its proper divisors (441781893).

1325345667 is an equidigital number, since it uses as much as digits as its factorization.

1325345667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441781892.

The product of its digits is 453600, while the sum is 42.

The square root of 1325345667 is about 36405.2972381768. The cubic root of 1325345667 is about 1098.4401215336.

The spelling of 1325345667 in words is "one billion, three hundred twenty-five million, three hundred forty-five thousand, six hundred sixty-seven".