1325513845 has 8 divisors (see below), whose sum is σ = 1596487680. Its totient is φ = 1056497040.

The previous prime is 1325513831. The next prime is 1325513867. The reversal of 1325513845 is 5483155231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1325513845 - 2⁹ = 1325513333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487765 + ... + 490474.

It is an arithmetic number, because the mean of its divisors is an integer number (199560960).

Almost surely, 2^1325513845 is an apocalyptic number.

It is an amenable number.

1325513845 is a deficient number, since it is larger than the sum of its proper divisors (270973835).

1325513845 is an equidigital number, since it uses as much as digits as its factorization.

1325513845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978515.

The product of its digits is 72000, while the sum is 37.

The square root of 1325513845 is about 36407.6069661273. The cubic root of 1325513845 is about 1098.4865812746.

The spelling of 1325513845 in words is "one billion, three hundred twenty-five million, five hundred thirteen thousand, eight hundred forty-five".