648151 has 4 divisors (see below), whose sum is σ = 740752. Its totient is φ = 555552.

The previous prime is 648133. The next prime is 648173. The reversal of 648151 is 151846.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 648151 - 2⁵ = 648119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46290 + ... + 46303.

It is an arithmetic number, because the mean of its divisors is an integer number (185188).

2⁶⁴⁸¹⁵¹ is an apocalyptic number.

648151 is a deficient number, since it is larger than the sum of its proper divisors (92601).

648151 is an equidigital number, since it uses as much as digits as its factorization.

648151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92600.

The product of its digits is 960, while the sum is 25.

The square root of 648151 is about 805.0782570657. The cubic root of 648151 is about 86.5416952916.

Adding to 648151 its reverse (151846), we get a palindrome (799997).

The spelling of 648151 in words is "six hundred forty-eight thousand, one hundred fifty-one".