532653288561 has 27 divisors (see below), whose sum is σ = 781258045113. Its totient is φ = 349705821960.

The previous prime is 532653288493. The next prime is 532653288617. The reversal of 532653288561 is 165882356235.

It is a happy number.

The square root of 532653288561 is 729831.

It is a perfect power (a square), and thus also a powerful number.

532653288561 is a `hidden beast` number, since 5 + 3 + 2 + 6 + 53 + 28 + 8 + 561 = 666.

It is not a de Polignac number, because 532653288561 - 2¹⁵ = 532653255793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 532653288498 and 532653288507.

It is not an unprimeable number, because it can be changed into a prime (532653281561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 146694216 + ... + 146697846.

Almost surely, 2^532653288561 is an apocalyptic number.

532653288561 is the 729831-st square number.

532653288561 is the 364916-th centered octagonal number.

It is an amenable number.

532653288561 is a deficient number, since it is larger than the sum of its proper divisors (248604756552).

532653288561 is an frugal number, since it uses more digits than its factorization.

532653288561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7402 (or 3701 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The spelling of 532653288561 in words is "five hundred thirty-two billion, six hundred fifty-three million, two hundred eighty-eight thousand, five hundred sixty-one".