35612021 has 2 divisors, whose sum is σ = 35612022. Its totient is φ = 35612020.

The previous prime is 35612011. The next prime is 35612051. The reversal of 35612021 is 12021653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31248100 + 4363921 = 5590^2 + 2089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35612021 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 35611984 and 35612002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35612011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17806010 + 17806011.

It is an arithmetic number, because the mean of its divisors is an integer number (17806011).

Almost surely, 2^35612021 is an apocalyptic number.

It is an amenable number.

35612021 is a deficient number, since it is larger than the sum of its proper divisors (1).

35612021 is an equidigital number, since it uses as much as digits as its factorization.

35612021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 35612021 is about 5967.5808331350. The cubic root of 35612021 is about 329.0022542135.

Adding to 35612021 its reverse (12021653), we get a palindrome (47633674).

The spelling of 35612021 in words is "thirty-five million, six hundred twelve thousand, twenty-one".