53212529 has 2 divisors, whose sum is σ = 53212530. Its totient is φ = 53212528.

The previous prime is 53212487. The next prime is 53212541. The reversal of 53212529 is 92521235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42876304 + 10336225 = 6548^2 + 3215^2 .

It is a cyclic number.

It is not a de Polignac number, because 53212529 - 2¹² = 53208433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53212429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26606264 + 26606265.

It is an arithmetic number, because the mean of its divisors is an integer number (26606265).

Almost surely, 2^53212529 is an apocalyptic number.

It is an amenable number.

53212529 is a deficient number, since it is larger than the sum of its proper divisors (1).

53212529 is an equidigital number, since it uses as much as digits as its factorization.

53212529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 29.

The square root of 53212529 is about 7294.6918372197. The cubic root of 53212529 is about 376.1299936257.

The spelling of 53212529 in words is "fifty-three million, two hundred twelve thousand, five hundred twenty-nine".