654105272 has 8 divisors (see below), whose sum is σ = 1226447400. Its totient is φ = 327052632.

The previous prime is 654105269. The next prime is 654105289. The reversal of 654105272 is 272501456.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40881572 + ... + 40881587.

It is an arithmetic number, because the mean of its divisors is an integer number (153305925).

Almost surely, 2^654105272 is an apocalyptic number.

It is an amenable number.

654105272 is a deficient number, since it is larger than the sum of its proper divisors (572342128).

654105272 is a wasteful number, since it uses less digits than its factorization.

654105272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81763165 (or 81763161 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 654105272 is about 25575.4818527433. The cubic root of 654105272 is about 868.0589446546.

The spelling of 654105272 in words is "six hundred fifty-four million, one hundred five thousand, two hundred seventy-two".