420752383 has 2 divisors, whose sum is σ = 420752384. Its totient is φ = 420752382.

The previous prime is 420752347. The next prime is 420752393. The reversal of 420752383 is 383257024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420752383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420752303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210376191 + 210376192.

It is an arithmetic number, because the mean of its divisors is an integer number (210376192).

Almost surely, 2^420752383 is an apocalyptic number.

420752383 is a deficient number, since it is larger than the sum of its proper divisors (1).

420752383 is an equidigital number, since it uses as much as digits as its factorization.

420752383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 420752383 is about 20512.2495840900. The cubic root of 420752383 is about 749.3341545228.

The spelling of 420752383 in words is "four hundred twenty million, seven hundred fifty-two thousand, three hundred eighty-three".