651054 has 16 divisors (see below), whose sum is σ = 1370880. Its totient is φ = 205560.

The previous prime is 651043. The next prime is 651067. The reversal of 651054 is 450156.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 651054.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2742 + ... + 2969.

It is an arithmetic number, because the mean of its divisors is an integer number (85680).

2⁶⁵¹⁰⁵⁴ is an apocalyptic number.

651054 is an abundant number, since it is smaller than the sum of its proper divisors (719826).

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

651054 is a wasteful number, since it uses less digits than its factorization.

651054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 651054 is about 806.8791731108. The cubic root of 651054 is about 86.6707065835.

The spelling of 651054 in words is "six hundred fifty-one thousand, fifty-four".