63403497 has 12 divisors (see below), whose sum is σ = 92873664. Its totient is φ = 41673240.

The previous prime is 63403477. The next prime is 63403519. The reversal of 63403497 is 79430436.

It is not a de Polignac number, because 63403497 - 2⁷ = 63403369 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (63403427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48973 + ... + 50250.

It is an arithmetic number, because the mean of its divisors is an integer number (7739472).

Almost surely, 2^63403497 is an apocalyptic number.

It is an amenable number.

63403497 is a deficient number, since it is larger than the sum of its proper divisors (29470167).

63403497 is a wasteful number, since it uses less digits than its factorization.

63403497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99300 (or 99297 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 63403497 is about 7962.6312862018. The cubic root of 63403497 is about 398.7534044514.

The spelling of 63403497 in words is "sixty-three million, four hundred three thousand, four hundred ninety-seven".