654246863 has 4 divisors (see below), whose sum is σ = 656029920. Its totient is φ = 652463808.

The previous prime is 654246841. The next prime is 654246877. The reversal of 654246863 is 368642456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 654246863 - 2¹⁶ = 654181327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654246883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890978 + ... + 891711.

It is an arithmetic number, because the mean of its divisors is an integer number (164007480).

Almost surely, 2^654246863 is an apocalyptic number.

654246863 is a deficient number, since it is larger than the sum of its proper divisors (1783057).

654246863 is a wasteful number, since it uses less digits than its factorization.

654246863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783056.

The product of its digits is 829440, while the sum is 44.

The square root of 654246863 is about 25578.2498032997. The cubic root of 654246863 is about 868.1215749741.

The spelling of 654246863 in words is "six hundred fifty-four million, two hundred forty-six thousand, eight hundred sixty-three".