53421241 has 2 divisors, whose sum is σ = 53421242. Its totient is φ = 53421240.

The previous prime is 53421239. The next prime is 53421253. The reversal of 53421241 is 14212435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52925625 + 495616 = 7275^2 + 704^2 .

It is a cyclic number.

It is not a de Polignac number, because 53421241 - 2¹ = 53421239 is a prime.

Together with 53421239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53421941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26710620 + 26710621.

It is an arithmetic number, because the mean of its divisors is an integer number (26710621).

Almost surely, 2^53421241 is an apocalyptic number.

It is an amenable number.

53421241 is a deficient number, since it is larger than the sum of its proper divisors (1).

53421241 is an equidigital number, since it uses as much as digits as its factorization.

53421241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 22.

The square root of 53421241 is about 7308.9835818669. The cubic root of 53421241 is about 376.6211087337.

Adding to 53421241 its reverse (14212435), we get a palindrome (67633676).

The spelling of 53421241 in words is "fifty-three million, four hundred twenty-one thousand, two hundred forty-one".