654515652 has 24 divisors (see below), whose sum is σ = 1745375296. Its totient is φ = 187004448.

The previous prime is 654515651. The next prime is 654515699. The reversal of 654515652 is 256515456.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 654515652.

It is not an unprimeable number, because it can be changed into a prime (654515651) by changing a digit.

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, 3895843 + ... + 3896010.

Almost surely, 2^654515652 is an apocalyptic number.

It is an amenable number.

654515652 is an abundant number, since it is smaller than the sum of its proper divisors (1090859644).

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

654515652 is a wasteful number, since it uses less digits than its factorization.

654515652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7791867 (or 7791865 counting only the distinct ones).

The product of its digits is 180000, while the sum is 39.

The square root of 654515652 is about 25583.5035130062. The cubic root of 654515652 is about 868.2404442651.

The spelling of 654515652 in words is "six hundred fifty-four million, five hundred fifteen thousand, six hundred fifty-two".