1325489512 has 8 divisors (see below), whose sum is σ = 2485292850. Its totient is φ = 662744752.

The previous prime is 1325489509. The next prime is 1325489519. The reversal of 1325489512 is 2159845231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1303643236 + 21846276 = 36106^2 + 4674^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1325489519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82843087 + ... + 82843102.

Almost surely, 2^1325489512 is an apocalyptic number.

It is an amenable number.

1325489512 is a deficient number, since it is larger than the sum of its proper divisors (1159803338).

1325489512 is a wasteful number, since it uses less digits than its factorization.

1325489512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165686195 (or 165686191 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 1325489512 is about 36407.2727899248. The cubic root of 1325489512 is about 1098.4798594443.

The spelling of 1325489512 in words is "one billion, three hundred twenty-five million, four hundred eighty-nine thousand, five hundred twelve".