63451047 has 16 divisors (see below), whose sum is σ = 92602368. Its totient is φ = 38326080.

The previous prime is 63451039. The next prime is 63451097. The reversal of 63451047 is 74015436.

It is not a de Polignac number, because 63451047 - 2³ = 63451039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63451097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7258 + ... + 13400.

It is an arithmetic number, because the mean of its divisors is an integer number (5787648).

Almost surely, 2^63451047 is an apocalyptic number.

63451047 is a deficient number, since it is larger than the sum of its proper divisors (29151321).

63451047 is a wasteful number, since it uses less digits than its factorization.

63451047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 63451047 is about 7965.6165486420. The cubic root of 63451047 is about 398.8530623952.

It can be divided in two parts, 634 and 51047, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 63451047 in words is "sixty-three million, four hundred fifty-one thousand, forty-seven".