63412516 has 12 divisors (see below), whose sum is σ = 117499788. Its totient is φ = 29841152.

The previous prime is 63412513. The next prime is 63412523. The reversal of 63412516 is 61521436.

63412516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 18576100 + 44836416 = 4310^2 + 6696^2 .

It is a super-2 number, since 2×63412516² = 8042294370900512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63412511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466201 + ... + 466336.

It is an arithmetic number, because the mean of its divisors is an integer number (9791649).

Almost surely, 2^63412516 is an apocalyptic number.

It is an amenable number.

63412516 is a deficient number, since it is larger than the sum of its proper divisors (54087272).

63412516 is a wasteful number, since it uses less digits than its factorization.

63412516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932558 (or 932556 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 63412516 is about 7963.1975989548. The cubic root of 63412516 is about 398.7723108031.

The spelling of 63412516 in words is "sixty-three million, four hundred twelve thousand, five hundred sixteen".