213163801 has 2 divisors, whose sum is σ = 213163802. Its totient is φ = 213163800.

The previous prime is 213163763. The next prime is 213163813. The reversal of 213163801 is 108361312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132595225 + 80568576 = 11515^2 + 8976^2 .

It is a cyclic number.

It is not a de Polignac number, because 213163801 - 2⁷ = 213163673 is a prime.

It is not a weakly prime, because it can be changed into another prime (213163871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106581900 + 106581901.

It is an arithmetic number, because the mean of its divisors is an integer number (106581901).

Almost surely, 2^213163801 is an apocalyptic number.

It is an amenable number.

213163801 is a deficient number, since it is larger than the sum of its proper divisors (1).

213163801 is an equidigital number, since it uses as much as digits as its factorization.

213163801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 213163801 is about 14600.1301706526. The cubic root of 213163801 is about 597.3623111360.

The spelling of 213163801 in words is "two hundred thirteen million, one hundred sixty-three thousand, eight hundred one".