654512063 has 4 divisors (see below), whose sum is σ = 654565128. Its totient is φ = 654459000.

The previous prime is 654512039. The next prime is 654512071. The reversal of 654512063 is 360215456.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 654512063 - 2¹⁸ = 654249919 is a prime.

It is a super-2 number, since 2×654512063² = 856772081225031938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654512093) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2720 + ... + 36282.

It is an arithmetic number, because the mean of its divisors is an integer number (163641282).

Almost surely, 2^654512063 is an apocalyptic number.

654512063 is a deficient number, since it is larger than the sum of its proper divisors (53065).

654512063 is a wasteful number, since it uses less digits than its factorization.

654512063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53064.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 654512063 is about 25583.4333700541. The cubic root of 654512063 is about 868.2388572795.

The spelling of 654512063 in words is "six hundred fifty-four million, five hundred twelve thousand, sixty-three".