420113411 has 2 divisors, whose sum is σ = 420113412. Its totient is φ = 420113410.

The previous prime is 420113399. The next prime is 420113431. The reversal of 420113411 is 114311024.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420113411 - 2²² = 415919107 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 420113411.

It is not a weakly prime, because it can be changed into another prime (420113431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210056705 + 210056706.

It is an arithmetic number, because the mean of its divisors is an integer number (210056706).

Almost surely, 2^420113411 is an apocalyptic number.

420113411 is a deficient number, since it is larger than the sum of its proper divisors (1).

420113411 is an equidigital number, since it uses as much as digits as its factorization.

420113411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 420113411 is about 20496.6682902368. The cubic root of 420113411 is about 748.9546390450.

Adding to 420113411 its reverse (114311024), we get a palindrome (534424435).

The spelling of 420113411 in words is "four hundred twenty million, one hundred thirteen thousand, four hundred eleven".