420551341 has 4 divisors (see below), whose sum is σ = 480630112. Its totient is φ = 360472572.

The previous prime is 420551303. The next prime is 420551381. The reversal of 420551341 is 143155024.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420551341 - 2¹⁷ = 420420269 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 (420551381) 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 3 ways as a sum of consecutive naturals, for example, 30039375 + ... + 30039388.

It is an arithmetic number, because the mean of its divisors is an integer number (120157528).

Almost surely, 2^420551341 is an apocalyptic number.

It is an amenable number.

420551341 is a deficient number, since it is larger than the sum of its proper divisors (60078771).

420551341 is an equidigital number, since it uses as much as digits as its factorization.

420551341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60078770.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 420551341 is about 20507.3484634167. The cubic root of 420551341 is about 749.2147876905.

The spelling of 420551341 in words is "four hundred twenty million, five hundred fifty-one thousand, three hundred forty-one".