212959541 has 2 divisors, whose sum is σ = 212959542. Its totient is φ = 212959540.

The previous prime is 212959529. The next prime is 212959559. The reversal of 212959541 is 145959212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163200625 + 49758916 = 12775^2 + 7054^2 .

It is a cyclic number.

It is not a de Polignac number, because 212959541 - 2⁶ = 212959477 is a prime.

It is a super-2 number, since 2×212959541² = 90703532205861362, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 212959495 and 212959504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212959511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106479770 + 106479771.

It is an arithmetic number, because the mean of its divisors is an integer number (106479771).

Almost surely, 2^212959541 is an apocalyptic number.

It is an amenable number.

212959541 is a deficient number, since it is larger than the sum of its proper divisors (1).

212959541 is an equidigital number, since it uses as much as digits as its factorization.

212959541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 38.

The square root of 212959541 is about 14593.1333509977. The cubic root of 212959541 is about 597.1714466156.

The spelling of 212959541 in words is "two hundred twelve million, nine hundred fifty-nine thousand, five hundred forty-one".