630454501 has 4 divisors (see below), whose sum is σ = 630530892. Its totient is φ = 630378112.

The previous prime is 630454483. The next prime is 630454547. The reversal of 630454501 is 105454036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 348718276 + 281736225 = 18674^2 + 16785^2 .

It is a cyclic number.

It is not a de Polignac number, because 630454501 - 2¹⁷ = 630323429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 630454501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630434501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24076 + ... + 42901.

It is an arithmetic number, because the mean of its divisors is an integer number (157632723).

Almost surely, 2^630454501 is an apocalyptic number.

It is an amenable number.

630454501 is a deficient number, since it is larger than the sum of its proper divisors (76391).

630454501 is an equidigital number, since it uses as much as digits as its factorization.

630454501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76390.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 630454501 is about 25108.8530403123. The cubic root of 630454501 is about 857.4679902033.

The spelling of 630454501 in words is "six hundred thirty million, four hundred fifty-four thousand, five hundred one".