655032530 has 8 divisors (see below), whose sum is σ = 1179058572. Its totient is φ = 262013008.

The previous prime is 655032487. The next prime is 655032551. The reversal of 655032530 is 35230556.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 604323889 + 50708641 = 24583^2 + 7121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 655032493 and 655032502.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 32751617 + ... + 32751636.

Almost surely, 2^655032530 is an apocalyptic number.

655032530 is a deficient number, since it is larger than the sum of its proper divisors (524026042).

655032530 is a wasteful number, since it uses less digits than its factorization.

655032530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65503260.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 655032530 is about 25593.6033023879. The cubic root of 655032530 is about 868.4689370448.

The spelling of 655032530 in words is "six hundred fifty-five million, thirty-two thousand, five hundred thirty".