35536621 has 2 divisors, whose sum is σ = 35536622. Its totient is φ = 35536620.

The previous prime is 35536609. The next prime is 35536643. The reversal of 35536621 is 12663553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33767721 + 1768900 = 5811^2 + 1330^2 .

It is a cyclic number.

It is not a de Polignac number, because 35536621 - 2⁷ = 35536493 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35536121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17768310 + 17768311.

It is an arithmetic number, because the mean of its divisors is an integer number (17768311).

Almost surely, 2^35536621 is an apocalyptic number.

It is an amenable number.

35536621 is a deficient number, since it is larger than the sum of its proper divisors (1).

35536621 is an equidigital number, since it uses as much as digits as its factorization.

35536621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 31.

The square root of 35536621 is about 5961.2600178150. The cubic root of 35536621 is about 328.7698954259.

The spelling of 35536621 in words is "thirty-five million, five hundred thirty-six thousand, six hundred twenty-one".