63354421 has 8 divisors (see below), whose sum is σ = 70429184. Its totient is φ = 56594160.

The previous prime is 63354409. The next prime is 63354439. The reversal of 63354421 is 12445336.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63354421 - 2⁹ = 63353909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63354421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63354491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78201 + ... + 79006.

It is an arithmetic number, because the mean of its divisors is an integer number (8803648).

Almost surely, 2^63354421 is an apocalyptic number.

It is an amenable number.

63354421 is a deficient number, since it is larger than the sum of its proper divisors (7074763).

63354421 is a wasteful number, since it uses less digits than its factorization.

63354421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157251.

The product of its digits is 8640, while the sum is 28.

The square root of 63354421 is about 7959.5490450151. The cubic root of 63354421 is about 398.6504959673.

Adding to 63354421 its reverse (12445336), we get a palindrome (75799757).

The spelling of 63354421 in words is "sixty-three million, three hundred fifty-four thousand, four hundred twenty-one".