1325964219 has 4 divisors (see below), whose sum is σ = 1767952296. Its totient is φ = 883976144.

The previous prime is 1325964197. The next prime is 1325964221. The reversal of 1325964219 is 9124695231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1325964219 - 2⁹ = 1325963707 is a prime.

It is a super-2 number, since 2×1325964219² = 3516362220136559922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1325964719) 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, 220994034 + ... + 220994039.

It is an arithmetic number, because the mean of its divisors is an integer number (441988074).

Almost surely, 2^1325964219 is an apocalyptic number.

1325964219 is a deficient number, since it is larger than the sum of its proper divisors (441988077).

1325964219 is an equidigital number, since it uses as much as digits as its factorization.

1325964219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441988076.

The product of its digits is 116640, while the sum is 42.

The square root of 1325964219 is about 36413.7916042809. The cubic root of 1325964219 is about 1098.6109792646.

The spelling of 1325964219 in words is "one billion, three hundred twenty-five million, nine hundred sixty-four thousand, two hundred nineteen".