421310041 has 2 divisors, whose sum is σ = 421310042. Its totient is φ = 421310040.

The previous prime is 421310033. The next prime is 421310051. The reversal of 421310041 is 140013124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419430400 + 1879641 = 20480^2 + 1371^2 .

It is a cyclic number.

It is not a de Polignac number, because 421310041 - 2³ = 421310033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421309997 and 421310024.

It is not a weakly prime, because it can be changed into another prime (421310011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210655020 + 210655021.

It is an arithmetic number, because the mean of its divisors is an integer number (210655021).

Almost surely, 2^421310041 is an apocalyptic number.

It is an amenable number.

421310041 is a deficient number, since it is larger than the sum of its proper divisors (1).

421310041 is an equidigital number, since it uses as much as digits as its factorization.

421310041 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 16.

The square root of 421310041 is about 20525.8383750823. The cubic root of 421310041 is about 749.6650599239.

Adding to 421310041 its reverse (140013124), we get a palindrome (561323165).

The spelling of 421310041 in words is "four hundred twenty-one million, three hundred ten thousand, forty-one".