655459097 has 4 divisors (see below), whose sum is σ = 655805796. Its totient is φ = 655112400.

The previous prime is 655459069. The next prime is 655459111. The reversal of 655459097 is 790954556.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 135117376 + 520341721 = 11624^2 + 22811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655459097 is a prime.

It is a super-3 number, since 3×655459097³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655459067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170498 + ... + 174299.

It is an arithmetic number, because the mean of its divisors is an integer number (163951449).

Almost surely, 2^655459097 is an apocalyptic number.

It is an amenable number.

655459097 is a deficient number, since it is larger than the sum of its proper divisors (346699).

655459097 is a wasteful number, since it uses less digits than its factorization.

655459097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346698.

The product of its (nonzero) digits is 1701000, while the sum is 50.

The square root of 655459097 is about 25601.9354151205. The cubic root of 655459097 is about 868.6574161329.

The spelling of 655459097 in words is "six hundred fifty-five million, four hundred fifty-nine thousand, ninety-seven".