35250221 has 2 divisors, whose sum is σ = 35250222. Its totient is φ = 35250220.

The previous prime is 35250211. The next prime is 35250223. The reversal of 35250221 is 12205253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23174596 + 12075625 = 4814^2 + 3475^2 .

It is an emirp because it is prime and its reverse (12205253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35250221 - 2⁶ = 35250157 is a prime.

Together with 35250223, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 35250193 and 35250202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35250223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17625110 + 17625111.

It is an arithmetic number, because the mean of its divisors is an integer number (17625111).

Almost surely, 2^35250221 is an apocalyptic number.

It is an amenable number.

35250221 is a deficient number, since it is larger than the sum of its proper divisors (1).

35250221 is an equidigital number, since it uses as much as digits as its factorization.

35250221 is an odious number, because the sum of its binary digits is odd.

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

The square root of 35250221 is about 5937.1896550472. The cubic root of 35250221 is about 327.8842945295.

Adding to 35250221 its reverse (12205253), we get a palindrome (47455474).

The spelling of 35250221 in words is "thirty-five million, two hundred fifty thousand, two hundred twenty-one".