212523713 has 2 divisors, whose sum is σ = 212523714. Its totient is φ = 212523712.

The previous prime is 212523677. The next prime is 212523739. The reversal of 212523713 is 317325212.

212523713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (212523739) can be obtained adding 212523713 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185722384 + 26801329 = 13628^2 + 5177^2 .

It is a cyclic number.

It is not a de Polignac number, because 212523713 - 2¹⁴ = 212507329 is a prime.

It is not a weakly prime, because it can be changed into another prime (212523743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106261856 + 106261857.

It is an arithmetic number, because the mean of its divisors is an integer number (106261857).

Almost surely, 2^212523713 is an apocalyptic number.

It is an amenable number.

212523713 is a deficient number, since it is larger than the sum of its proper divisors (1).

212523713 is an equidigital number, since it uses as much as digits as its factorization.

212523713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 212523713 is about 14578.1930636139. The cubic root of 212523713 is about 596.7637920533.

Adding to 212523713 its reverse (317325212), we get a palindrome (529848925).

The spelling of 212523713 in words is "two hundred twelve million, five hundred twenty-three thousand, seven hundred thirteen".