653676544 has 26 divisors (see below), whose sum is σ = 1307201690. Its totient is φ = 326836224.

The previous prime is 653676467. The next prime is 653676547. The reversal of 653676544 is 445676356.

It can be written as a sum of positive squares in only one way, i.e., 381030400 + 272646144 = 19520^2 + 16512^2 .

It is a junction number, because it is equal to n+sod(n) for n = 653676494 and 653676503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653676547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75699 + ... + 83890.

Almost surely, 2^653676544 is an apocalyptic number.

653676544 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

653676544 is a deficient number, since it is larger than the sum of its proper divisors (653525146).

653676544 is an equidigital number, since it uses as much as digits as its factorization.

653676544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159613 (or 159591 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 46.

The square root of 653676544 is about 25567.0988577116. The cubic root of 653676544 is about 867.8692491367.

The spelling of 653676544 in words is "six hundred fifty-three million, six hundred seventy-six thousand, five hundred forty-four".