629453 has 4 divisors (see below), whose sum is σ = 686688. Its totient is φ = 572220.

The previous prime is 629449. The next prime is 629467. The reversal of 629453 is 354926.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 629453 - 2² = 629449 is a prime.

It is a super-2 number, since 2×629453² = 792422158418, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6² + 2¹⁷ + 4⁹ + 9⁵ + 5 + 3¹¹ .

It is a Duffinian number.

It is a plaindrome in base 14 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28601 + ... + 28622.

It is an arithmetic number, because the mean of its divisors is an integer number (171672).

2⁶²⁹⁴⁵³ is an apocalyptic number.

It is an amenable number.

629453 is a deficient number, since it is larger than the sum of its proper divisors (57235).

629453 is a wasteful number, since it uses less digits than its factorization.

629453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57234.

The product of its digits is 6480, while the sum is 29.

The square root of 629453 is about 793.3807408804. The cubic root of 629453 is about 85.7013709378.

The spelling of 629453 in words is "six hundred twenty-nine thousand, four hundred fifty-three".