875629 has 2 divisors, whose sum is σ = 875630. Its totient is φ = 875628.

The previous prime is 875627. The next prime is 875647. The reversal of 875629 is 926578.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 714025 + 161604 = 845^2 + 402^2 .

It is a cyclic number.

It is not a de Polignac number, because 875629 - 2¹ = 875627 is a prime.

It is a super-2 number, since 2×875629² = 1533452291282, which contains 22 as substring.

Together with 875627, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (875621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437814 + 437815.

It is an arithmetic number, because the mean of its divisors is an integer number (437815).

2⁸⁷⁵⁶²⁹ is an apocalyptic number.

It is an amenable number.

875629 is a deficient number, since it is larger than the sum of its proper divisors (1).

875629 is an equidigital number, since it uses as much as digits as its factorization.

875629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 875629 is about 935.7505009349. The cubic root of 875629 is about 95.6694723865.

It can be divided in two parts, 87562 and 9, that added together give a triangular number (87571 = T₄₁₈).

The spelling of 875629 in words is "eight hundred seventy-five thousand, six hundred twenty-nine".