654153321 has 16 divisors (see below), whose sum is σ = 879883200. Its totient is φ = 432273408.

The previous prime is 654153301. The next prime is 654153323. The reversal of 654153321 is 123351456.

It is not a de Polignac number, because 654153321 - 2¹⁸ = 653891177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (654153323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506845 + ... + 508133.

It is an arithmetic number, because the mean of its divisors is an integer number (54992700).

Almost surely, 2^654153321 is an apocalyptic number.

It is an amenable number.

654153321 is a deficient number, since it is larger than the sum of its proper divisors (225729879).

654153321 is a wasteful number, since it uses less digits than its factorization.

654153321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648.

The product of its digits is 10800, while the sum is 30.

The square root of 654153321 is about 25576.4211921840. The cubic root of 654153321 is about 868.0801993082.

The spelling of 654153321 in words is "six hundred fifty-four million, one hundred fifty-three thousand, three hundred twenty-one".