630453 has 8 divisors (see below), whose sum is σ = 877248. Its totient is φ = 401984.

The previous prime is 630451. The next prime is 630467. The reversal of 630453 is 354036.

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 630453 - 2¹ = 630451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4500 + ... + 4637.

It is an arithmetic number, because the mean of its divisors is an integer number (109656).

2⁶³⁰⁴⁵³ is an apocalyptic number.

It is an amenable number.

630453 is a deficient number, since it is larger than the sum of its proper divisors (246795).

630453 is a wasteful number, since it uses less digits than its factorization.

630453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9163.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 630453 is about 794.0107052175. The cubic root of 630453 is about 85.7467309710.

Adding to 630453 its reverse (354036), we get a palindrome (984489).

It can be divided in two parts, 630 and 453, that multiplied together give a triangular number (285390 = T₇₅₅).

The spelling of 630453 in words is "six hundred thirty thousand, four hundred fifty-three".