52453213 has 2 divisors, whose sum is σ = 52453214. Its totient is φ = 52453212.

The previous prime is 52453189. The next prime is 52453217. The reversal of 52453213 is 31235425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36747844 + 15705369 = 6062^2 + 3963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52453213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52453217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26226606 + 26226607.

It is an arithmetic number, because the mean of its divisors is an integer number (26226607).

Almost surely, 2^52453213 is an apocalyptic number.

It is an amenable number.

52453213 is a deficient number, since it is larger than the sum of its proper divisors (1).

52453213 is an equidigital number, since it uses as much as digits as its factorization.

52453213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 25.

The square root of 52453213 is about 7242.4590437226. The cubic root of 52453213 is about 374.3323539614.

Adding to 52453213 its reverse (31235425), we get a palindrome (83688638).

The spelling of 52453213 in words is "fifty-two million, four hundred fifty-three thousand, two hundred thirteen".