648277 has 8 divisors (see below), whose sum is σ = 761216. Its totient is φ = 540432.

The previous prime is 648269. The next prime is 648283. The reversal of 648277 is 772846.

648277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 648277 - 2³ = 648269 is a prime.

It is a Duffinian number.

648277 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648217) 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, 993 + ... + 1510.

It is an arithmetic number, because the mean of its divisors is an integer number (95152).

2⁶⁴⁸²⁷⁷ is an apocalyptic number.

It is an amenable number.

648277 is a deficient number, since it is larger than the sum of its proper divisors (112939).

648277 is a wasteful number, since it uses less digits than its factorization.

648277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547.

The product of its digits is 18816, while the sum is 34.

The square root of 648277 is about 805.1565065253. The cubic root of 648277 is about 86.5473028055.

The spelling of 648277 in words is "six hundred forty-eight thousand, two hundred seventy-seven".