648597 has 8 divisors (see below), whose sum is σ = 871200. Its totient is φ = 429200.

The previous prime is 648563. The next prime is 648607. The reversal of 648597 is 795846.

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 648597 - 2⁸ = 648341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648097) 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, 279 + ... + 1172.

It is an arithmetic number, because the mean of its divisors is an integer number (108900).

2⁶⁴⁸⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

648597 is a deficient number, since it is larger than the sum of its proper divisors (222603).

648597 is a wasteful number, since it uses less digits than its factorization.

648597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603.

The product of its digits is 60480, while the sum is 39.

The square root of 648597 is about 805.3552011380. The cubic root of 648597 is about 86.5615408453.

The spelling of 648597 in words is "six hundred forty-eight thousand, five hundred ninety-seven".