648353 has 8 divisors (see below), whose sum is σ = 681600. Its totient is φ = 615888.

The previous prime is 648343. The next prime is 648371. The reversal of 648353 is 353846.

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 648353 - 2⁶ = 648289 is a prime.

It is a super-2 number, since 2×648353² = 840723225218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (648343) 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, 2150 + ... + 2432.

It is an arithmetic number, because the mean of its divisors is an integer number (85200).

2⁶⁴⁸³⁵³ is an apocalyptic number.

It is an amenable number.

648353 is a deficient number, since it is larger than the sum of its proper divisors (33247).

648353 is a wasteful number, since it uses less digits than its factorization.

648353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its digits is 8640, while the sum is 29.

The square root of 648353 is about 805.2037009354. The cubic root of 648353 is about 86.5506847641.

It can be divided in two parts, 648 and 353, that added together give a palindrome (1001).

The spelling of 648353 in words is "six hundred forty-eight thousand, three hundred fifty-three".