53725213 has 2 divisors, whose sum is σ = 53725214. Its totient is φ = 53725212.

The previous prime is 53725187. The next prime is 53725229. The reversal of 53725213 is 31252735.

53725213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49871844 + 3853369 = 7062^2 + 1963^2 .

It is a cyclic number.

It is not a de Polignac number, because 53725213 - 2⁵ = 53725181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53725283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26862606 + 26862607.

It is an arithmetic number, because the mean of its divisors is an integer number (26862607).

Almost surely, 2^53725213 is an apocalyptic number.

It is an amenable number.

53725213 is a deficient number, since it is larger than the sum of its proper divisors (1).

53725213 is an equidigital number, since it uses as much as digits as its factorization.

53725213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 28.

The square root of 53725213 is about 7329.7484950031. The cubic root of 53725213 is about 377.3340948977.

Adding to 53725213 its reverse (31252735), we get a palindrome (84977948).

It can be divided in two parts, 5372 and 5213, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 53725213 in words is "fifty-three million, seven hundred twenty-five thousand, two hundred thirteen".