651029 has 2 divisors, whose sum is σ = 651030. Its totient is φ = 651028.

The previous prime is 651019. The next prime is 651043. The reversal of 651029 is 920156.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 528529 + 122500 = 727^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 651029 - 2¹⁶ = 585493 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 650995 and 651013.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 651029.

It is not a weakly prime, because it can be changed into another prime (651019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325514 + 325515.

It is an arithmetic number, because the mean of its divisors is an integer number (325515).

2⁶⁵¹⁰²⁹ is an apocalyptic number.

It is an amenable number.

651029 is a deficient number, since it is larger than the sum of its proper divisors (1).

651029 is an equidigital number, since it uses as much as digits as its factorization.

651029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 651029 is about 806.8636811755. The cubic root of 651029 is about 86.6695972053.

The spelling of 651029 in words is "six hundred fifty-one thousand, twenty-nine".