648195 has 16 divisors (see below), whose sum is σ = 1052160. Its totient is φ = 340704.

The previous prime is 648191. The next prime is 648199. The reversal of 648195 is 591846.

It is an interprime number because it is at equal distance from previous prime (648191) and next prime (648199).

It is not a de Polignac number, because 648195 - 2² = 648191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (648191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912 + ... + 1458.

It is an arithmetic number, because the mean of its divisors is an integer number (65760).

2⁶⁴⁸¹⁹⁵ is an apocalyptic number.

648195 is a deficient number, since it is larger than the sum of its proper divisors (403965).

648195 is a wasteful number, since it uses less digits than its factorization.

648195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its digits is 8640, while the sum is 33.

The square root of 648195 is about 805.1055831380. The cubic root of 648195 is about 86.5436535536.

The spelling of 648195 in words is "six hundred forty-eight thousand, one hundred ninety-five".