526253213 has 2 divisors, whose sum is σ = 526253214. Its totient is φ = 526253212.

The previous prime is 526253209. The next prime is 526253237. The reversal of 526253213 is 312352625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405539044 + 120714169 = 20138^2 + 10987^2 .

It is a cyclic number.

It is not a de Polignac number, because 526253213 - 2² = 526253209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526253263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263126606 + 263126607.

It is an arithmetic number, because the mean of its divisors is an integer number (263126607).

Almost surely, 2^526253213 is an apocalyptic number.

It is an amenable number.

526253213 is a deficient number, since it is larger than the sum of its proper divisors (1).

526253213 is an equidigital number, since it uses as much as digits as its factorization.

526253213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 526253213 is about 22940.2095238906. The cubic root of 526253213 is about 807.3557080984.

The spelling of 526253213 in words is "five hundred twenty-six million, two hundred fifty-three thousand, two hundred thirteen".