52436213 has 2 divisors, whose sum is σ = 52436214. Its totient is φ = 52436212.

The previous prime is 52436207. The next prime is 52436227. The reversal of 52436213 is 31263425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42745444 + 9690769 = 6538^2 + 3113^2 .

It is a cyclic number.

It is not a de Polignac number, because 52436213 - 2²² = 48241909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52436513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26218106 + 26218107.

It is an arithmetic number, because the mean of its divisors is an integer number (26218107).

Almost surely, 2^52436213 is an apocalyptic number.

It is an amenable number.

52436213 is a deficient number, since it is larger than the sum of its proper divisors (1).

52436213 is an equidigital number, since it uses as much as digits as its factorization.

52436213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 52436213 is about 7241.2853140862. The cubic root of 52436213 is about 374.2919094252.

Adding to 52436213 its reverse (31263425), we get a palindrome (83699638).

The spelling of 52436213 in words is "fifty-two million, four hundred thirty-six thousand, two hundred thirteen".