53211413 has 2 divisors, whose sum is σ = 53211414. Its totient is φ = 53211412.

The previous prime is 53211391. The next prime is 53211449. The reversal of 53211413 is 31411235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30724849 + 22486564 = 5543^2 + 4742^2 .

It is a cyclic number.

It is not a de Polignac number, because 53211413 - 2⁸ = 53211157 is a prime.

It is a super-3 number, since 3×53211413³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53211493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26605706 + 26605707.

It is an arithmetic number, because the mean of its divisors is an integer number (26605707).

Almost surely, 2^53211413 is an apocalyptic number.

It is an amenable number.

53211413 is a deficient number, since it is larger than the sum of its proper divisors (1).

53211413 is an equidigital number, since it uses as much as digits as its factorization.

53211413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 53211413 is about 7294.6153428402. The cubic root of 53211413 is about 376.1273641446.

Adding to 53211413 its reverse (31411235), we get a palindrome (84622648).

The spelling of 53211413 in words is "fifty-three million, two hundred eleven thousand, four hundred thirteen".