421612063 has 16 divisors (see below), whose sum is σ = 443289600. Its totient is φ = 400468320.

The previous prime is 421612049. The next prime is 421612067. The reversal of 421612063 is 360216124.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421612063 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 (421612067) 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 in 15 ways as a sum of consecutive naturals, for example, 570148 + ... + 570886.

It is an arithmetic number, because the mean of its divisors is an integer number (27705600).

Almost surely, 2^421612063 is an apocalyptic number.

421612063 is a deficient number, since it is larger than the sum of its proper divisors (21677537).

421612063 is a wasteful number, since it uses less digits than its factorization.

421612063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 421612063 is about 20533.1941743120. The cubic root of 421612063 is about 749.8441530994.

Adding to 421612063 its reverse (360216124), we get a palindrome (781828187).

The spelling of 421612063 in words is "four hundred twenty-one million, six hundred twelve thousand, sixty-three".