421352011 has 2 divisors, whose sum is σ = 421352012. Its totient is φ = 421352010.

The previous prime is 421351993. The next prime is 421352017. The reversal of 421352011 is 110253124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421352011 - 2⁵ = 421351979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421352011.

It is not a weakly prime, because it can be changed into another prime (421352017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210676005 + 210676006.

It is an arithmetic number, because the mean of its divisors is an integer number (210676006).

Almost surely, 2^421352011 is an apocalyptic number.

421352011 is a deficient number, since it is larger than the sum of its proper divisors (1).

421352011 is an equidigital number, since it uses as much as digits as its factorization.

421352011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 421352011 is about 20526.8607195548. The cubic root of 421352011 is about 749.6899524376.

The spelling of 421352011 in words is "four hundred twenty-one million, three hundred fifty-two thousand, eleven".