653281648 has 10 divisors (see below), whose sum is σ = 1265733224. Its totient is φ = 326640816.

The previous prime is 653281621. The next prime is 653281679. The reversal of 653281648 is 846182356.

It is a super-2 number, since 2×653281648² = 853553823227191808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20415036 + ... + 20415067.

Almost surely, 2^653281648 is an apocalyptic number.

It is an amenable number.

653281648 is a deficient number, since it is larger than the sum of its proper divisors (612451576).

653281648 is a wasteful number, since it uses less digits than its factorization.

653281648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40830111 (or 40830105 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 653281648 is about 25559.3749532339. The cubic root of 653281648 is about 867.6944495690.

The spelling of 653281648 in words is "six hundred fifty-three million, two hundred eighty-one thousand, six hundred forty-eight".