1580328225 has 60 divisors (see below), whose sum is σ = 3345531904. Its totient is φ = 722429280.

The previous prime is 1580328221. The next prime is 1580328227. The reversal of 1580328225 is 5228230851.

1580328225 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1580328225 - 2² = 1580328221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1580328225.

It is not an unprimeable number, because it can be changed into a prime (1580328221) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 41569 + ... + 69918.

Almost surely, 2^1580328225 is an apocalyptic number.

1580328225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1580328225 is an abundant number, since it is smaller than the sum of its proper divisors (1765203679).

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

1580328225 is a wasteful number, since it uses less digits than its factorization.

1580328225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111516 (or 111502 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1580328225 is about 39753.3423123138. The cubic root of 1580328225 is about 1164.7939304082.

The spelling of 1580328225 in words is "one billion, five hundred eighty million, three hundred twenty-eight thousand, two hundred twenty-five".