655460497 has 8 divisors (see below), whose sum is σ = 680520960. Its totient is φ = 630644880.

The previous prime is 655460489. The next prime is 655460501. The reversal of 655460497 is 794064556.

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 655460497 - 2³ = 655460489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655460467) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 55747 + ... + 66472.

It is an arithmetic number, because the mean of its divisors is an integer number (85065120).

Almost surely, 2^655460497 is an apocalyptic number.

It is an amenable number.

655460497 is a deficient number, since it is larger than the sum of its proper divisors (25060463).

655460497 is a wasteful number, since it uses less digits than its factorization.

655460497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122423.

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 655460497 is about 25601.9627567888. The cubic root of 655460497 is about 868.6580345898.

The spelling of 655460497 in words is "six hundred fifty-five million, four hundred sixty thousand, four hundred ninety-seven".