420554359 has 2 divisors, whose sum is σ = 420554360. Its totient is φ = 420554358.

The previous prime is 420554353. The next prime is 420554383. The reversal of 420554359 is 953455024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420554359 - 2⁷ = 420554231 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420554353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210277179 + 210277180.

It is an arithmetic number, because the mean of its divisors is an integer number (210277180).

Almost surely, 2^420554359 is an apocalyptic number.

420554359 is a deficient number, since it is larger than the sum of its proper divisors (1).

420554359 is an equidigital number, since it uses as much as digits as its factorization.

420554359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 420554359 is about 20507.4220466640. The cubic root of 420554359 is about 749.2165798814.

It can be divided in two parts, 4205 and 54359, that added together give a square (58564 = 242²).

The spelling of 420554359 in words is "four hundred twenty million, five hundred fifty-four thousand, three hundred fifty-nine".