420436607 has 2 divisors, whose sum is σ = 420436608. Its totient is φ = 420436606.

The previous prime is 420436603. The next prime is 420436609. The reversal of 420436607 is 706634024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420436607 - 2² = 420436603 is a prime.

Together with 420436609, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420436603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210218303 + 210218304.

It is an arithmetic number, because the mean of its divisors is an integer number (210218304).

Almost surely, 2^420436607 is an apocalyptic number.

420436607 is a deficient number, since it is larger than the sum of its proper divisors (1).

420436607 is an equidigital number, since it uses as much as digits as its factorization.

420436607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 420436607 is about 20504.5508851084. The cubic root of 420436607 is about 749.1466483859.

The spelling of 420436607 in words is "four hundred twenty million, four hundred thirty-six thousand, six hundred seven".