420274333 has 2 divisors, whose sum is σ = 420274334. Its totient is φ = 420274332.

The previous prime is 420274321. The next prime is 420274373. The reversal of 420274333 is 333472024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376476409 + 43797924 = 19403^2 + 6618^2 .

It is a cyclic number.

It is not a de Polignac number, because 420274333 - 2²¹ = 418177181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420274373) 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 as a sum of consecutive naturals, namely, 210137166 + 210137167.

It is an arithmetic number, because the mean of its divisors is an integer number (210137167).

Almost surely, 2^420274333 is an apocalyptic number.

It is an amenable number.

420274333 is a deficient number, since it is larger than the sum of its proper divisors (1).

420274333 is an equidigital number, since it uses as much as digits as its factorization.

420274333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 420274333 is about 20500.5934792142. The cubic root of 420274333 is about 749.0502544113.

It can be divided in two parts, 42027 and 4333, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 420274333 in words is "four hundred twenty million, two hundred seventy-four thousand, three hundred thirty-three".