1325132001 has 32 divisors (see below), whose sum is σ = 1997049600. Its totient is φ = 868250880.

The previous prime is 1325131987. The next prime is 1325132021. The reversal of 1325132001 is 1002315231.

1325132001 is a `hidden beast` number, since 132 + 513 + 20 + 0 + 1 = 666.

It is not a de Polignac number, because 1325132001 - 2⁶ = 1325131937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1325132021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744825 + ... + 746601.

It is an arithmetic number, because the mean of its divisors is an integer number (62407800).

Almost surely, 2^1325132001 is an apocalyptic number.

It is an amenable number.

1325132001 is a deficient number, since it is larger than the sum of its proper divisors (671917599).

1325132001 is a wasteful number, since it uses less digits than its factorization.

1325132001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246 (or 2240 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1325132001 is about 36402.3625744264. The cubic root of 1325132001 is about 1098.3810899097.

Adding to 1325132001 its reverse (1002315231), we get a palindrome (2327447232).

The spelling of 1325132001 in words is "one billion, three hundred twenty-five million, one hundred thirty-two thousand, one".