653552 has 10 divisors (see below), whose sum is σ = 1266288. Its totient is φ = 326768.

The previous prime is 653539. The next prime is 653561. The reversal of 653552 is 255356.

It is a d-powerful number, because it can be written as 6 + 5³ + 5⁴ + 3³ + 5⁸ + 2¹⁸ .

It is a congruent number.

It is an unprimeable number.

653552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 20408 + ... + 20439.

2⁶⁵³⁵⁵² is an apocalyptic number.

It is an amenable number.

653552 is a deficient number, since it is larger than the sum of its proper divisors (612736).

653552 is a wasteful number, since it uses less digits than its factorization.

653552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40855 (or 40849 counting only the distinct ones).

The product of its digits is 4500, while the sum is 26.

The square root of 653552 is about 808.4256304695. The cubic root of 653552 is about 86.7814127699.

The spelling of 653552 in words is "six hundred fifty-three thousand, five hundred fifty-two".