212283529 has 2 divisors, whose sum is σ = 212283530. Its totient is φ = 212283528.

The previous prime is 212283503. The next prime is 212283559. The reversal of 212283529 is 925382212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166410000 + 45873529 = 12900^2 + 6773^2 .

It is a cyclic number.

It is not a de Polignac number, because 212283529 - 2¹³ = 212275337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212283494 and 212283503.

It is not a weakly prime, because it can be changed into another prime (212283559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106141764 + 106141765.

It is an arithmetic number, because the mean of its divisors is an integer number (106141765).

Almost surely, 2^212283529 is an apocalyptic number.

It is an amenable number.

212283529 is a deficient number, since it is larger than the sum of its proper divisors (1).

212283529 is an equidigital number, since it uses as much as digits as its factorization.

212283529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 212283529 is about 14569.9529511938. The cubic root of 212283529 is about 596.5388961384.

The spelling of 212283529 in words is "two hundred twelve million, two hundred eighty-three thousand, five hundred twenty-nine".