654365530 has 64 divisors (see below), whose sum is σ = 1534982400. Its totient is φ = 194909184.

The previous prime is 654365521. The next prime is 654365557. The reversal of 654365530 is 35563456.

It is a self number, because there is not a number n which added to its sum of digits gives 654365530.

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 31 ways as a sum of consecutive naturals, for example, 5680 + ... + 36619.

It is an arithmetic number, because the mean of its divisors is an integer number (23984100).

Almost surely, 2^654365530 is an apocalyptic number.

654365530 is an abundant number, since it is smaller than the sum of its proper divisors (880616870).

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

654365530 is a wasteful number, since it uses less digits than its factorization.

654365530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42343.

The product of its (nonzero) digits is 162000, while the sum is 37.

The square root of 654365530 is about 25580.5693838116. The cubic root of 654365530 is about 868.1740583006.

The spelling of 654365530 in words is "six hundred fifty-four million, three hundred sixty-five thousand, five hundred thirty".