654143061 has 36 divisors (see below), whose sum is σ = 1038204384. Its totient is φ = 365919840.

The previous prime is 654143041. The next prime is 654143099. The reversal of 654143061 is 160341456.

It is not a de Polignac number, because 654143061 - 2⁵ = 654143029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654143041) 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 35 ways as a sum of consecutive naturals, for example, 56016 + ... + 66678.

Almost surely, 2^654143061 is an apocalyptic number.

It is an amenable number.

654143061 is a deficient number, since it is larger than the sum of its proper divisors (384061323).

654143061 is a wasteful number, since it uses less digits than its factorization.

654143061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10714 (or 10690 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 654143061 is about 25576.2206160332. The cubic root of 654143061 is about 868.0756608465.

The spelling of 654143061 in words is "six hundred fifty-four million, one hundred forty-three thousand, sixty-one".