52420041 has 10 divisors (see below), whose sum is σ = 78306602. Its totient is φ = 34946640.

The previous prime is 52420037. The next prime is 52420051. The reversal of 52420041 is 14002425.

It can be written as a sum of positive squares in only one way, i.e., 46294416 + 6125625 = 6804^2 + 2475^2 .

It is not a de Polignac number, because 52420041 - 2² = 52420037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52419996 and 52420023.

It is not an unprimeable number, because it can be changed into a prime (52420001) 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 in 9 ways as a sum of consecutive naturals, for example, 323500 + ... + 323661.

Almost surely, 2^52420041 is an apocalyptic number.

It is an amenable number.

52420041 is a deficient number, since it is larger than the sum of its proper divisors (25886561).

52420041 is an equidigital number, since it uses as much as digits as its factorization.

52420041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647173 (or 647164 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 52420041 is about 7240.1685753855. The cubic root of 52420041 is about 374.2534266617.

Adding to 52420041 its reverse (14002425), we get a palindrome (66422466).

The spelling of 52420041 in words is "fifty-two million, four hundred twenty thousand, forty-one".