1325747089 has 4 divisors (see below), whose sum is σ = 1326115840. Its totient is φ = 1325378340.

The previous prime is 1325747083. The next prime is 1325747113. The reversal of 1325747089 is 9807475231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1325747089 - 2³ = 1325747081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325747081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178929 + ... + 186190.

It is an arithmetic number, because the mean of its divisors is an integer number (331528960).

Almost surely, 2^1325747089 is an apocalyptic number.

It is an amenable number.

1325747089 is a deficient number, since it is larger than the sum of its proper divisors (368751).

1325747089 is an equidigital number, since it uses as much as digits as its factorization.

1325747089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368750.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 1325747089 is about 36410.8100569048. The cubic root of 1325747089 is about 1098.5510092141.

The spelling of 1325747089 in words is "one billion, three hundred twenty-five million, seven hundred forty-seven thousand, eighty-nine".