629311 has 2 divisors, whose sum is σ = 629312. Its totient is φ = 629310.

The previous prime is 629281. The next prime is 629339. The reversal of 629311 is 113926.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 629311 - 2⁹ = 628799 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629341) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314655 + 314656.

It is an arithmetic number, because the mean of its divisors is an integer number (314656).

2⁶²⁹³¹¹ is an apocalyptic number.

629311 is a deficient number, since it is larger than the sum of its proper divisors (1).

629311 is an equidigital number, since it uses as much as digits as its factorization.

629311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 22.

The square root of 629311 is about 793.2912453822. The cubic root of 629311 is about 85.6949259186.

The spelling of 629311 in words is "six hundred twenty-nine thousand, three hundred eleven".