420313379 has 2 divisors, whose sum is σ = 420313380. Its totient is φ = 420313378.

The previous prime is 420313297. The next prime is 420313391. The reversal of 420313379 is 973313024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420313379 - 2¹² = 420309283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (420313279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210156689 + 210156690.

It is an arithmetic number, because the mean of its divisors is an integer number (210156690).

Almost surely, 2^420313379 is an apocalyptic number.

420313379 is a deficient number, since it is larger than the sum of its proper divisors (1).

420313379 is an equidigital number, since it uses as much as digits as its factorization.

420313379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 420313379 is about 20501.5457709900. The cubic root of 420313379 is about 749.0734507764.

The spelling of 420313379 in words is "four hundred twenty million, three hundred thirteen thousand, three hundred seventy-nine".