654131229 has 4 divisors (see below), whose sum is σ = 872174976. Its totient is φ = 436087484.

The previous prime is 654131209. The next prime is 654131249. The reversal of 654131229 is 922131456.

654131229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (654131209) and next prime (654131249).

It is a cyclic number.

It is not a de Polignac number, because 654131229 - 2⁵ = 654131197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 654131229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654131209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109021869 + ... + 109021874.

It is an arithmetic number, because the mean of its divisors is an integer number (218043744).

Almost surely, 2^654131229 is an apocalyptic number.

It is an amenable number.

654131229 is a deficient number, since it is larger than the sum of its proper divisors (218043747).

654131229 is a wasteful number, since it uses less digits than its factorization.

654131229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218043746.

The product of its digits is 12960, while the sum is 33.

The square root of 654131229 is about 25575.9893063787. The cubic root of 654131229 is about 868.0704269592.

The spelling of 654131229 in words is "six hundred fifty-four million, one hundred thirty-one thousand, two hundred twenty-nine".