629245 has 8 divisors (see below), whose sum is σ = 759384. Its totient is φ = 500544.

The previous prime is 629243. The next prime is 629249. The reversal of 629245 is 542926.

It can be written as a sum of positive squares in 4 ways, for example, as 11449 + 617796 = 107^2 + 786^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 629245 - 2¹ = 629243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1387 + ... + 1783.

It is an arithmetic number, because the mean of its divisors is an integer number (94923).

2⁶²⁹²⁴⁵ is an apocalyptic number.

629245 is the 397-th decagonal number.

It is an amenable number.

629245 is a deficient number, since it is larger than the sum of its proper divisors (130139).

629245 is a wasteful number, since it uses less digits than its factorization.

629245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its digits is 4320, while the sum is 28.

The square root of 629245 is about 793.2496454459. The cubic root of 629245 is about 85.6919300163.

The spelling of 629245 in words is "six hundred twenty-nine thousand, two hundred forty-five".