654942530 has 16 divisors (see below), whose sum is σ = 1286069184. Its totient is φ = 238160880.

The previous prime is 654942511. The next prime is 654942551. The reversal of 654942530 is 35249456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2976902 + ... + 2977121.

It is an arithmetic number, because the mean of its divisors is an integer number (80379324).

Almost surely, 2^654942530 is an apocalyptic number.

654942530 is a deficient number, since it is larger than the sum of its proper divisors (631126654).

654942530 is a wasteful number, since it uses less digits than its factorization.

654942530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954041.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 654942530 is about 25591.8449901526. The cubic root of 654942530 is about 868.4291599952.

The spelling of 654942530 in words is "six hundred fifty-four million, nine hundred forty-two thousand, five hundred thirty".