648351 has 32 divisors (see below), whose sum is σ = 1094400. Its totient is φ = 375840.

The previous prime is 648343. The next prime is 648371. The reversal of 648351 is 153846.

It is not a de Polignac number, because 648351 - 2³ = 648343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10960 + ... + 11018.

It is an arithmetic number, because the mean of its divisors is an integer number (34200).

2⁶⁴⁸³⁵¹ is an apocalyptic number.

648351 is a deficient number, since it is larger than the sum of its proper divisors (446049).

648351 is a wasteful number, since it uses less digits than its factorization.

648351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 110 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 648351 is about 805.2024590126. The cubic root of 648351 is about 86.5505957686.

It can be divided in two parts, 648 and 351, that added together give a palindrome (999).

The spelling of 648351 in words is "six hundred forty-eight thousand, three hundred fifty-one".