35701021 has 2 divisors, whose sum is σ = 35701022. Its totient is φ = 35701020.

The previous prime is 35701007. The next prime is 35701027. The reversal of 35701021 is 12010753.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34047225 + 1653796 = 5835^2 + 1286^2 .

It is a cyclic number.

It is not a de Polignac number, because 35701021 - 2¹¹ = 35698973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 35701021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35701027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17850510 + 17850511.

It is an arithmetic number, because the mean of its divisors is an integer number (17850511).

Almost surely, 2^35701021 is an apocalyptic number.

It is an amenable number.

35701021 is a deficient number, since it is larger than the sum of its proper divisors (1).

35701021 is an equidigital number, since it uses as much as digits as its factorization.

35701021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 35701021 is about 5975.0331379834. The cubic root of 35701021 is about 329.2761022088.

Adding to 35701021 its reverse (12010753), we get a palindrome (47711774).

The spelling of 35701021 in words is "thirty-five million, seven hundred one thousand, twenty-one".