420303337 has 2 divisors, whose sum is σ = 420303338. Its totient is φ = 420303336.

The previous prime is 420303329. The next prime is 420303343. The reversal of 420303337 is 733303024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415303641 + 4999696 = 20379^2 + 2236^2 .

It is a cyclic number.

It is not a de Polignac number, because 420303337 - 2³ = 420303329 is a prime.

It is not a weakly prime, because it can be changed into another prime (420303347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210151668 + 210151669.

It is an arithmetic number, because the mean of its divisors is an integer number (210151669).

Almost surely, 2^420303337 is an apocalyptic number.

It is an amenable number.

420303337 is a deficient number, since it is larger than the sum of its proper divisors (1).

420303337 is an equidigital number, since it uses as much as digits as its factorization.

420303337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 25.

The square root of 420303337 is about 20501.3008611649. The cubic root of 420303337 is about 749.0674851835.

The spelling of 420303337 in words is "four hundred twenty million, three hundred three thousand, three hundred thirty-seven".