421476007 has 2 divisors, whose sum is σ = 421476008. Its totient is φ = 421476006.

The previous prime is 421475987. The next prime is 421476037. The reversal of 421476007 is 700674124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421476007 - 2¹¹ = 421473959 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421476007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421476037) 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, 210738003 + 210738004.

It is an arithmetic number, because the mean of its divisors is an integer number (210738004).

Almost surely, 2^421476007 is an apocalyptic number.

421476007 is a deficient number, since it is larger than the sum of its proper divisors (1).

421476007 is an equidigital number, since it uses as much as digits as its factorization.

421476007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 421476007 is about 20529.8808325816. The cubic root of 421476007 is about 749.7634851258.

The spelling of 421476007 in words is "four hundred twenty-one million, four hundred seventy-six thousand, seven".