213050225 has 6 divisors (see below), whose sum is σ = 264182310. Its totient is φ = 170440160.

The previous prime is 213050179. The next prime is 213050237. The reversal of 213050225 is 522050312.

It can be written as a sum of positive squares in 3 ways, for example, as 4276624 + 208773601 = 2068^2 + 14449^2 .

It is not a de Polignac number, because 213050225 - 2¹⁶ = 212984689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213050197 and 213050206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4260980 + ... + 4261029.

It is an arithmetic number, because the mean of its divisors is an integer number (44030385).

Almost surely, 2^213050225 is an apocalyptic number.

213050225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213050225 is a deficient number, since it is larger than the sum of its proper divisors (51132085).

213050225 is an equidigital number, since it uses as much as digits as its factorization.

213050225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8522019 (or 8522014 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 213050225 is about 14596.2400980526. The cubic root of 213050225 is about 597.2561985678.

The spelling of 213050225 in words is "two hundred thirteen million, fifty thousand, two hundred twenty-five".