420065351 has 2 divisors, whose sum is σ = 420065352. Its totient is φ = 420065350.

The previous prime is 420065339. The next prime is 420065369. The reversal of 420065351 is 153560024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420065351 - 2¹⁰ = 420064327 is a prime.

It is a super-2 number, since 2×420065351² = 352909798221506402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420065351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420065311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210032675 + 210032676.

It is an arithmetic number, because the mean of its divisors is an integer number (210032676).

Almost surely, 2^420065351 is an apocalyptic number.

420065351 is a deficient number, since it is larger than the sum of its proper divisors (1).

420065351 is an equidigital number, since it uses as much as digits as its factorization.

420065351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 420065351 is about 20495.4958710444. The cubic root of 420065351 is about 748.9260783979.

The spelling of 420065351 in words is "four hundred twenty million, sixty-five thousand, three hundred fifty-one".