421141433 has 2 divisors, whose sum is σ = 421141434. Its totient is φ = 421141432.

The previous prime is 421141423. The next prime is 421141471. The reversal of 421141433 is 334141124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322992784 + 98148649 = 17972^2 + 9907^2 .

It is a cyclic number.

It is not a de Polignac number, because 421141433 - 2²⁸ = 152705977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421141399 and 421141408.

It is not a weakly prime, because it can be changed into another prime (421141423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210570716 + 210570717.

It is an arithmetic number, because the mean of its divisors is an integer number (210570717).

Almost surely, 2^421141433 is an apocalyptic number.

It is an amenable number.

421141433 is a deficient number, since it is larger than the sum of its proper divisors (1).

421141433 is an equidigital number, since it uses as much as digits as its factorization.

421141433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 421141433 is about 20521.7307505970. The cubic root of 421141433 is about 749.5650414264.

Adding to 421141433 its reverse (334141124), we get a palindrome (755282557).

The spelling of 421141433 in words is "four hundred twenty-one million, one hundred forty-one thousand, four hundred thirty-three".