651652 has 12 divisors (see below), whose sum is σ = 1152396. Its totient is φ = 322400.

The previous prime is 651649. The next prime is 651667. The reversal of 651652 is 256156.

It can be written as a sum of positive squares in 2 ways, for example, as 538756 + 112896 = 734^2 + 336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403 + ... + 1210.

It is an arithmetic number, because the mean of its divisors is an integer number (96033).

2⁶⁵¹⁶⁵² is an apocalyptic number.

651652 is the 404-th decagonal number.

It is an amenable number.

651652 is a deficient number, since it is larger than the sum of its proper divisors (500744).

651652 is a wasteful number, since it uses less digits than its factorization.

651652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718 (or 1716 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 651652 is about 807.2496515948. The cubic root of 651652 is about 86.6972344507.

The spelling of 651652 in words is "six hundred fifty-one thousand, six hundred fifty-two".