655752961 has 8 divisors (see below), whose sum is σ = 673822080. Its totient is φ = 637702128.

The previous prime is 655752859. The next prime is 655752971. The reversal of 655752961 is 169257556.

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

It is a cyclic number.

It is not a de Polignac number, because 655752961 - 2¹³ = 655744769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655752971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101160 + ... + 107446.

It is an arithmetic number, because the mean of its divisors is an integer number (84227760).

Almost surely, 2^655752961 is an apocalyptic number.

It is an amenable number.

655752961 is a deficient number, since it is larger than the sum of its proper divisors (18069119).

655752961 is a wasteful number, since it uses less digits than its factorization.

655752961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9143.

The product of its digits is 567000, while the sum is 46.

The square root of 655752961 is about 25607.6738693697. The cubic root of 655752961 is about 868.7872126910.

The spelling of 655752961 in words is "six hundred fifty-five million, seven hundred fifty-two thousand, nine hundred sixty-one".