654865252 has 24 divisors (see below), whose sum is σ = 1159583040. Its totient is φ = 323571360.

The previous prime is 654865247. The next prime is 654865271. The reversal of 654865252 is 252568456.

It is a junction number, because it is equal to n+sod(n) for n = 654865199 and 654865208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195649 + ... + 198967.

It is an arithmetic number, because the mean of its divisors is an integer number (48315960).

Almost surely, 2^654865252 is an apocalyptic number.

It is an amenable number.

654865252 is a deficient number, since it is larger than the sum of its proper divisors (504717788).

654865252 is a wasteful number, since it uses less digits than its factorization.

654865252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891 (or 3889 counting only the distinct ones).

The product of its digits is 576000, while the sum is 43.

The square root of 654865252 is about 25590.3351287161. The cubic root of 654865252 is about 868.3950027446.

The spelling of 654865252 in words is "six hundred fifty-four million, eight hundred sixty-five thousand, two hundred fifty-two".