63013421 has 4 divisors (see below), whose sum is σ = 65046144. Its totient is φ = 60980700.

The previous prime is 63013411. The next prime is 63013429. The reversal of 63013421 is 12431036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63013421 - 2¹⁴ = 62997037 is a prime.

It is a super-2 number, since 2×63013421² = 7941382452246482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63013393 and 63013402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63013429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016315 + ... + 1016376.

It is an arithmetic number, because the mean of its divisors is an integer number (16261536).

Almost surely, 2^63013421 is an apocalyptic number.

It is an amenable number.

63013421 is a deficient number, since it is larger than the sum of its proper divisors (2032723).

63013421 is a wasteful number, since it uses less digits than its factorization.

63013421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032722.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 63013421 is about 7938.0993317040. The cubic root of 63013421 is about 397.9339743003.

Adding to 63013421 its reverse (12431036), we get a palindrome (75444457).

The spelling of 63013421 in words is "sixty-three million, thirteen thousand, four hundred twenty-one".