213579841 has 2 divisors, whose sum is σ = 213579842. Its totient is φ = 213579840.

The previous prime is 213579791. The next prime is 213579859. The reversal of 213579841 is 148975312.

213579841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162027441 + 51552400 = 12729^2 + 7180^2 .

It is a cyclic number.

It is not a de Polignac number, because 213579841 - 2¹⁷ = 213448769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213579794 and 213579803.

It is not a weakly prime, because it can be changed into another prime (213579881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106789920 + 106789921.

It is an arithmetic number, because the mean of its divisors is an integer number (106789921).

Almost surely, 2^213579841 is an apocalyptic number.

It is an amenable number.

213579841 is a deficient number, since it is larger than the sum of its proper divisors (1).

213579841 is an equidigital number, since it uses as much as digits as its factorization.

213579841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 213579841 is about 14614.3710435995. The cubic root of 213579841 is about 597.7506902503.

The spelling of 213579841 in words is "two hundred thirteen million, five hundred seventy-nine thousand, eight hundred forty-one".