35221261 has 2 divisors, whose sum is σ = 35221262. Its totient is φ = 35221260.

The previous prime is 35221213. The next prime is 35221313. The reversal of 35221261 is 16212253.

35221261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31573161 + 3648100 = 5619^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 35221261 - 2⁹ = 35220749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35221201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17610630 + 17610631.

It is an arithmetic number, because the mean of its divisors is an integer number (17610631).

Almost surely, 2^35221261 is an apocalyptic number.

It is an amenable number.

35221261 is a deficient number, since it is larger than the sum of its proper divisors (1).

35221261 is an equidigital number, since it uses as much as digits as its factorization.

35221261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 35221261 is about 5934.7502896078. The cubic root of 35221261 is about 327.7944782536.

The spelling of 35221261 in words is "thirty-five million, two hundred twenty-one thousand, two hundred sixty-one".