654147172 has 12 divisors (see below), whose sum is σ = 1308294400. Its totient is φ = 280348776.

The previous prime is 654147157. The next prime is 654147187. The reversal of 654147172 is 271741456.

It is an interprime number because it is at equal distance from previous prime (654147157) and next prime (654147187).

654147172 is an admirable number.

It is an unprimeable number.

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, 11681172 + ... + 11681227.

Almost surely, 2^654147172 is an apocalyptic number.

It is an amenable number.

654147172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654147172 is a wasteful number, since it uses less digits than its factorization.

654147172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23362410 (or 23362408 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 654147172 is about 25576.3009835277. The cubic root of 654147172 is about 868.0774793333.

The spelling of 654147172 in words is "six hundred fifty-four million, one hundred forty-seven thousand, one hundred seventy-two".