420065361 has 12 divisors (see below), whose sum is σ = 608514192. Its totient is φ = 279234456.

The previous prime is 420065351. The next prime is 420065369. The reversal of 420065361 is 163560024.

420065361 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 653 + 6 + 1 = 666.

It is not a de Polignac number, because 420065361 - 2⁶ = 420065297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420065369) 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 in 11 ways as a sum of consecutive naturals, for example, 64131 + ... + 70376.

It is an arithmetic number, because the mean of its divisors is an integer number (50709516).

Almost surely, 2^420065361 is an apocalyptic number.

It is an amenable number.

420065361 is a deficient number, since it is larger than the sum of its proper divisors (188448831).

420065361 is a wasteful number, since it uses less digits than its factorization.

420065361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134860 (or 134857 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 420065361 is about 20495.4961150005. The cubic root of 420065361 is about 748.9260843408.

The spelling of 420065361 in words is "four hundred twenty million, sixty-five thousand, three hundred sixty-one".