210130453 has 8 divisors (see below), whose sum is σ = 231814296. Its totient is φ = 189235200.

The previous prime is 210130439. The next prime is 210130483. The reversal of 210130453 is 354031012.

It can be written as a sum of positive squares in 4 ways, for example, as 24980004 + 185150449 = 4998^2 + 13607^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210130453 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 210130453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210130483) 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, 196588 + ... + 197653.

It is an arithmetic number, because the mean of its divisors is an integer number (28976787).

Almost surely, 2^210130453 is an apocalyptic number.

It is an amenable number.

210130453 is a deficient number, since it is larger than the sum of its proper divisors (21683843).

210130453 is a wasteful number, since it uses less digits than its factorization.

210130453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394295.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 210130453 is about 14495.8771035077. The cubic root of 210130453 is about 594.5152495532.

Adding to 210130453 its reverse (354031012), we get a palindrome (564161465).

The spelling of 210130453 in words is "two hundred ten million, one hundred thirty thousand, four hundred fifty-three".