212593873 has 2 divisors, whose sum is σ = 212593874. Its totient is φ = 212593872.

The previous prime is 212593861. The next prime is 212593883. The reversal of 212593873 is 378395212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171531409 + 41062464 = 13097^2 + 6408^2 .

It is a cyclic number.

It is not a de Polignac number, because 212593873 - 2¹⁷ = 212462801 is a prime.

It is not a weakly prime, because it can be changed into another prime (212593813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106296936 + 106296937.

It is an arithmetic number, because the mean of its divisors is an integer number (106296937).

Almost surely, 2^212593873 is an apocalyptic number.

It is an amenable number.

212593873 is a deficient number, since it is larger than the sum of its proper divisors (1).

212593873 is an equidigital number, since it uses as much as digits as its factorization.

212593873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 212593873 is about 14580.5991989355. The cubic root of 212593873 is about 596.8294542807.

The spelling of 212593873 in words is "two hundred twelve million, five hundred ninety-three thousand, eight hundred seventy-three".