420513283 has 2 divisors, whose sum is σ = 420513284. Its totient is φ = 420513282.

The previous prime is 420513257. The next prime is 420513391. The reversal of 420513283 is 382315024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420513283 - 2¹³ = 420505091 is a prime.

It is not a weakly prime, because it can be changed into another prime (420513983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210256641 + 210256642.

It is an arithmetic number, because the mean of its divisors is an integer number (210256642).

Almost surely, 2^420513283 is an apocalyptic number.

420513283 is a deficient number, since it is larger than the sum of its proper divisors (1).

420513283 is an equidigital number, since it uses as much as digits as its factorization.

420513283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 420513283 is about 20506.4205311410. The cubic root of 420513283 is about 749.1921868221.

The spelling of 420513283 in words is "four hundred twenty million, five hundred thirteen thousand, two hundred eighty-three".