63003997 has 16 divisors (see below), whose sum is σ = 74752000. Its totient is φ = 51963120.

The previous prime is 63003973. The next prime is 63004013. The reversal of 63003997 is 79930036.

It is a cyclic number.

It is not a de Polignac number, because 63003997 - 2⁷ = 63003869 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 (63003937) 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, 42454 + ... + 43912.

It is an arithmetic number, because the mean of its divisors is an integer number (4672000).

Almost surely, 2^63003997 is an apocalyptic number.

It is an amenable number.

63003997 is a deficient number, since it is larger than the sum of its proper divisors (11748003).

63003997 is a wasteful number, since it uses less digits than its factorization.

63003997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 63003997 is about 7937.5057165334. The cubic root of 63003997 is about 397.9141355808.

It can be divided in two parts, 63003 and 997, that added together give a cube (64000 = 40³).

The spelling of 63003997 in words is "sixty-three million, three thousand, nine hundred ninety-seven".