651016 has 16 divisors (see below), whose sum is σ = 1285200. Its totient is φ = 308304.

The previous prime is 650987. The next prime is 651017. The reversal of 651016 is 610156.

651016 is nontrivially palindromic in base 3 and base 9.

651016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 650984 and 651002.

It is not an unprimeable number, because it can be changed into a prime (651017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990 + ... + 2293.

It is an arithmetic number, because the mean of its divisors is an integer number (80325).

2⁶⁵¹⁰¹⁶ is an apocalyptic number.

It is an amenable number.

651016 is a deficient number, since it is larger than the sum of its proper divisors (634184).

651016 is a wasteful number, since it uses less digits than its factorization.

651016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308 (or 4304 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 651016 is about 806.8556252515. The cubic root of 651016 is about 86.6690203174.

It can be divided in two parts, 65 and 1016, that added together give a triangular number (1081 = T₄₆).

The spelling of 651016 in words is "six hundred fifty-one thousand, sixteen".