421410589 has 2 divisors, whose sum is σ = 421410590. Its totient is φ = 421410588.

The previous prime is 421410553. The next prime is 421410617. The reversal of 421410589 is 985014124.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 376748100 + 44662489 = 19410^2 + 6683^2 .

It is a cyclic number.

It is not a de Polignac number, because 421410589 - 2¹⁷ = 421279517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421410529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210705294 + 210705295.

It is an arithmetic number, because the mean of its divisors is an integer number (210705295).

Almost surely, 2^421410589 is an apocalyptic number.

It is an amenable number.

421410589 is a deficient number, since it is larger than the sum of its proper divisors (1).

421410589 is an equidigital number, since it uses as much as digits as its factorization.

421410589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 421410589 is about 20528.2875320861. The cubic root of 421410589 is about 749.7246924348.

The spelling of 421410589 in words is "four hundred twenty-one million, four hundred ten thousand, five hundred eighty-nine".