35221013 has 2 divisors, whose sum is σ = 35221014. Its totient is φ = 35221012.

The previous prime is 35221007. The next prime is 35221031. The reversal of 35221013 is 31012253.

Together with next prime (35221031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19909444 + 15311569 = 4462^2 + 3913^2 .

It is a cyclic number.

It is not a de Polignac number, because 35221013 - 2¹⁴ = 35204629 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 35220982 and 35221000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35221213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17610506 + 17610507.

It is an arithmetic number, because the mean of its divisors is an integer number (17610507).

Almost surely, 2^35221013 is an apocalyptic number.

It is an amenable number.

35221013 is a deficient number, since it is larger than the sum of its proper divisors (1).

35221013 is an equidigital number, since it uses as much as digits as its factorization.

35221013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 35221013 is about 5934.7293956844. The cubic root of 35221013 is about 327.7937088962.

Adding to 35221013 its reverse (31012253), we get a palindrome (66233266).

The spelling of 35221013 in words is "thirty-five million, two hundred twenty-one thousand, thirteen".