1325040516 has 18 divisors (see below), whose sum is σ = 3349408062. Its totient is φ = 441680160.

The previous prime is 1325040491. The next prime is 1325040539. The reversal of 1325040516 is 6150405231.

1325040516 is a `hidden beast` number, since 1 + 3 + 250 + 405 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 722534400 + 602506116 = 26880^2 + 24546^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1325040516.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18403305 + ... + 18403376.

Almost surely, 2^1325040516 is an apocalyptic number.

It is an amenable number.

1325040516 is an abundant number, since it is smaller than the sum of its proper divisors (2024367546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325040516 is a wasteful number, since it uses less digits than its factorization.

1325040516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36806691 (or 36806686 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1325040516 is about 36401.1059722091. The cubic root of 1325040516 is about 1098.3558125018.

Adding to 1325040516 its reverse (6150405231), we get a palindrome (7475445747).

The spelling of 1325040516 in words is "one billion, three hundred twenty-five million, forty thousand, five hundred sixteen".