651048 has 16 divisors (see below), whose sum is σ = 1627680. Its totient is φ = 217008.

The previous prime is 651043. The next prime is 651067. The reversal of 651048 is 840156.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 27127 = 651048 / (6 + 5 + 1 + 0 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (651043) by changing a digit.

651048 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 in 3 ways as a sum of consecutive naturals, for example, 13540 + ... + 13587.

It is an arithmetic number, because the mean of its divisors is an integer number (101730).

2⁶⁵¹⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

651048 is an abundant number, since it is smaller than the sum of its proper divisors (976632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651048 is a wasteful number, since it uses less digits than its factorization.

651048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27136 (or 27132 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 651048 is about 806.8754550735. The cubic root of 651048 is about 86.6704403354.

The spelling of 651048 in words is "six hundred fifty-one thousand, forty-eight".