655249713 has 8 divisors (see below), whose sum is σ = 919648800. Its totient is φ = 413841888.

The previous prime is 655249709. The next prime is 655249723. The reversal of 655249713 is 317942556.

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

It is not a de Polignac number, because 655249713 - 2² = 655249709 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (655249723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5747748 + ... + 5747861.

It is an arithmetic number, because the mean of its divisors is an integer number (114956100).

Almost surely, 2^655249713 is an apocalyptic number.

It is an amenable number.

655249713 is a deficient number, since it is larger than the sum of its proper divisors (264399087).

655249713 is a wasteful number, since it uses less digits than its factorization.

655249713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11495631.

The product of its digits is 226800, while the sum is 42.

The square root of 655249713 is about 25597.8458664006. The cubic root of 655249713 is about 868.5649098087.

It can be divided in two parts, 6552 and 49713, that added together give a palindrome (56265).

The spelling of 655249713 in words is "six hundred fifty-five million, two hundred forty-nine thousand, seven hundred thirteen".