421627033 has 2 divisors, whose sum is σ = 421627034. Its totient is φ = 421627032.

The previous prime is 421627021. The next prime is 421627051. The reversal of 421627033 is 330726124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421563024 + 64009 = 20532^2 + 253^2 .

It is a cyclic number.

It is not a de Polignac number, because 421627033 - 2⁹ = 421626521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421626992 and 421627010.

It is not a weakly prime, because it can be changed into another prime (421627093) 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 as a sum of consecutive naturals, namely, 210813516 + 210813517.

It is an arithmetic number, because the mean of its divisors is an integer number (210813517).

Almost surely, 2^421627033 is an apocalyptic number.

It is an amenable number.

421627033 is a deficient number, since it is larger than the sum of its proper divisors (1).

421627033 is an equidigital number, since it uses as much as digits as its factorization.

421627033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 421627033 is about 20533.5587027675. The cubic root of 421627033 is about 749.8530277934.

Subtracting from 421627033 its reverse (330726124), we obtain a palindrome (90900909).

The spelling of 421627033 in words is "four hundred twenty-one million, six hundred twenty-seven thousand, thirty-three".