6629453 has 4 divisors (see below), whose sum is σ = 6634620. Its totient is φ = 6624288.

The previous prime is 6629437. The next prime is 6629471. The reversal of 6629453 is 3549266.

6629453 is digitally balanced in base 3, 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 a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3396649 + 3232804 = 1843^2 + 1798^2 .

It is a cyclic number.

It is not a de Polignac number, because 6629453 - 2⁴ = 6629437 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 (6625453) 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, 983 + ... + 3771.

It is an arithmetic number, because the mean of its divisors is an integer number (1658655).

Almost surely, 2^6629453 is an apocalyptic number.

It is an amenable number.

6629453 is a deficient number, since it is larger than the sum of its proper divisors (5167).

6629453 is a wasteful number, since it uses less digits than its factorization.

6629453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166.

The product of its digits is 38880, while the sum is 35.

The square root of 6629453 is about 2574.7724171274. The cubic root of 6629453 is about 187.8563581368.

The spelling of 6629453 in words is "six million, six hundred twenty-nine thousand, four hundred fifty-three".