648152 has 8 divisors (see below), whose sum is σ = 1215300. Its totient is φ = 324072.

The previous prime is 648133. The next prime is 648173. The reversal of 648152 is 251846.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648152.

It is an unprimeable number.

648152 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 40502 + ... + 40517.

2⁶⁴⁸¹⁵² is an apocalyptic number.

It is an amenable number.

648152 is a deficient number, since it is larger than the sum of its proper divisors (567148).

648152 is a wasteful number, since it uses less digits than its factorization.

648152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81025 (or 81021 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 648152 is about 805.0788781231. The cubic root of 648152 is about 86.5417397986.

Adding to 648152 its reverse (251846), we get a palindrome (899998).

The spelling of 648152 in words is "six hundred forty-eight thousand, one hundred fifty-two".