63516051 has 6 divisors (see below), whose sum is σ = 91745420. Its totient is φ = 42344028.

The previous prime is 63516043. The next prime is 63516073. The reversal of 63516051 is 15061536.

It is a happy number.

63516051 is a `hidden beast` number, since 6 + 3 + 51 + 605 + 1 = 666.

It is not a de Polignac number, because 63516051 - 2³ = 63516043 is a prime.

It is a super-3 number, since 3×63516051³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63516091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3528661 + ... + 3528678.

Almost surely, 2^63516051 is an apocalyptic number.

63516051 is a deficient number, since it is larger than the sum of its proper divisors (28229369).

63516051 is a wasteful number, since it uses less digits than its factorization.

63516051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7057345 (or 7057342 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 63516051 is about 7969.6957909320. The cubic root of 63516051 is about 398.9892208820.

Adding to 63516051 its reverse (15061536), we get a palindrome (78577587).

The spelling of 63516051 in words is "sixty-three million, five hundred sixteen thousand, fifty-one".