660325452 has 24 divisors (see below), whose sum is σ = 1547212800. Its totient is φ = 219186576.

The previous prime is 660325403. The next prime is 660325453. The reversal of 660325452 is 254523066.

660325452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (660325453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112252 + ... + 117987.

It is an arithmetic number, because the mean of its divisors is an integer number (64467200).

Almost surely, 2^660325452 is an apocalyptic number.

It is an amenable number.

660325452 is an abundant number, since it is smaller than the sum of its proper divisors (886887348).

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

660325452 is a wasteful number, since it uses less digits than its factorization.

660325452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230485 (or 230483 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 660325452 is about 25696.7984776314. The cubic root of 660325452 is about 870.8018555189.

The spelling of 660325452 in words is "six hundred sixty million, three hundred twenty-five thousand, four hundred fifty-two".