63451130 has 16 divisors (see below), whose sum is σ = 118150920. Its totient is φ = 24505152.

The previous prime is 63451121. The next prime is 63451133. The reversal of 63451130 is 3115436.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 55368481 + 8082649 = 7441^2 + 2843^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63451096 and 63451105.

It is not an unprimeable number, because it can be changed into a prime (63451133) 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, 109109 + ... + 109688.

Almost surely, 2^63451130 is an apocalyptic number.

63451130 is a deficient number, since it is larger than the sum of its proper divisors (54699790).

63451130 is a wasteful number, since it uses less digits than its factorization.

63451130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218833.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 63451130 is about 7965.6217585321. The cubic root of 63451130 is about 398.8532363077.

Adding to 63451130 its reverse (3115436), we get a palindrome (66566566).

The spelling of 63451130 in words is "sixty-three million, four hundred fifty-one thousand, one hundred thirty".