1325919 has 16 divisors (see below), whose sum is σ = 2043392. Its totient is φ = 749088.

The previous prime is 1325911. The next prime is 1325923. The reversal of 1325919 is 9195231.

It is not a de Polignac number, because 1325919 - 2³ = 1325911 is a prime.

It is a super-2 number, since 2×1325919² = 3516122389122, which contains 22 as substring.

It is a Duffinian number.

1325919 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1857 + ... + 2469.

It is an arithmetic number, because the mean of its divisors is an integer number (127712).

2^1325919 is an apocalyptic number.

1325919 is a deficient number, since it is larger than the sum of its proper divisors (717473).

1325919 is a wasteful number, since it uses less digits than its factorization.

1325919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726.

The product of its digits is 2430, while the sum is 30.

The square root of 1325919 is about 1151.4855622195. The cubic root of 1325919 is about 109.8598490578.

The spelling of 1325919 in words is "one million, three hundred twenty-five thousand, nine hundred nineteen".