629539 has 4 divisors (see below), whose sum is σ = 634624. Its totient is φ = 624456.

The previous prime is 629537. The next prime is 629567. The reversal of 629539 is 935926.

It is a happy number.

629539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935926 = 2 ⋅467963.

It is a cyclic number.

It is not a de Polignac number, because 629539 - 2¹ = 629537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (629537) 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, 2352 + ... + 2605.

It is an arithmetic number, because the mean of its divisors is an integer number (158656).

2⁶²⁹⁵³⁹ is an apocalyptic number.

629539 is a deficient number, since it is larger than the sum of its proper divisors (5085).

629539 is a wasteful number, since it uses less digits than its factorization.

629539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084.

The product of its digits is 14580, while the sum is 34.

The square root of 629539 is about 793.4349374712. The cubic root of 629539 is about 85.7052737880.

The spelling of 629539 in words is "six hundred twenty-nine thousand, five hundred thirty-nine".