654531229 has 16 divisors (see below), whose sum is σ = 762310656. Its totient is φ = 560007360.

The previous prime is 654531211. The next prime is 654531239. The reversal of 654531229 is 922135456.

654531229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 654531229 - 2⁹ = 654530717 is a prime.

It is a super-2 number, since 2×654531229² = 856822259472500882, 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 (654531239) 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, 8164 + ... + 37090.

It is an arithmetic number, because the mean of its divisors is an integer number (47644416).

Almost surely, 2^654531229 is an apocalyptic number.

It is an amenable number.

654531229 is a deficient number, since it is larger than the sum of its proper divisors (107779427).

654531229 is a wasteful number, since it uses less digits than its factorization.

654531229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28977 (or 28955 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 654531229 is about 25583.8079456519. The cubic root of 654531229 is about 868.2473320423.

The spelling of 654531229 in words is "six hundred fifty-four million, five hundred thirty-one thousand, two hundred twenty-nine".