63005398 has 4 divisors (see below), whose sum is σ = 94508100. Its totient is φ = 31502698.

The previous prime is 63005377. The next prime is 63005399. The reversal of 63005398 is 89350036.

63005398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×63005398³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63005399) 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 as a sum of consecutive naturals, namely, 15751348 + ... + 15751351.

It is an arithmetic number, because the mean of its divisors is an integer number (23627025).

Almost surely, 2^63005398 is an apocalyptic number.

63005398 is a deficient number, since it is larger than the sum of its proper divisors (31502702).

63005398 is a wasteful number, since it uses less digits than its factorization.

63005398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31502701.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 63005398 is about 7937.5939679477. The cubic root of 63005398 is about 397.9170849893.

The spelling of 63005398 in words is "sixty-three million, five thousand, three hundred ninety-eight".