655425452 has 24 divisors (see below), whose sum is σ = 1251936000. Its totient is φ = 297761360.

The previous prime is 655425439. The next prime is 655425473. The reversal of 655425452 is 254524556.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129473 + ... + 134439.

It is an arithmetic number, because the mean of its divisors is an integer number (52164000).

Almost surely, 2^655425452 is an apocalyptic number.

It is an amenable number.

655425452 is a deficient number, since it is larger than the sum of its proper divisors (596510548).

655425452 is a wasteful number, since it uses less digits than its factorization.

655425452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7981 (or 7979 counting only the distinct ones).

The product of its digits is 240000, while the sum is 38.

The square root of 655425452 is about 25601.2783274586. The cubic root of 655425452 is about 868.6425530245.

The spelling of 655425452 in words is "six hundred fifty-five million, four hundred twenty-five thousand, four hundred fifty-two".