63130453 has 4 divisors (see below), whose sum is σ = 63167308. Its totient is φ = 63093600.

The previous prime is 63130439. The next prime is 63130471. The reversal of 63130453 is 35403136.

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 9284209 + 53846244 = 3047^2 + 7338^2 .

It is a cyclic number.

It is not a de Polignac number, because 63130453 - 2²⁵ = 29576021 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 (63134453) 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, 15726 + ... + 19327.

It is an arithmetic number, because the mean of its divisors is an integer number (15791827).

Almost surely, 2^63130453 is an apocalyptic number.

It is an amenable number.

63130453 is a deficient number, since it is larger than the sum of its proper divisors (36855).

63130453 is a wasteful number, since it uses less digits than its factorization.

63130453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36854.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 63130453 is about 7945.4674500623. The cubic root of 63130453 is about 398.1801769157.

Adding to 63130453 its reverse (35403136), we get a palindrome (98533589).

The spelling of 63130453 in words is "sixty-three million, one hundred thirty thousand, four hundred fifty-three".