1325452239 has 12 divisors (see below), whose sum is σ = 1917986616. Its totient is φ = 882045072.

The previous prime is 1325452231. The next prime is 1325452259. The reversal of 1325452239 is 9322545231.

It is not a de Polignac number, because 1325452239 - 2³ = 1325452231 is a prime.

It is a super-2 number, since 2×1325452239² = 3513647275740226242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325452231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127189 + ... + 137214.

It is an arithmetic number, because the mean of its divisors is an integer number (159832218).

Almost surely, 2^1325452239 is an apocalyptic number.

1325452239 is a deficient number, since it is larger than the sum of its proper divisors (592534377).

1325452239 is a wasteful number, since it uses less digits than its factorization.

1325452239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264966 (or 264963 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 1325452239 is about 36406.7608968444. The cubic root of 1325452239 is about 1098.4695628650.

The spelling of 1325452239 in words is "one billion, three hundred twenty-five million, four hundred fifty-two thousand, two hundred thirty-nine".