35181121 has 2 divisors, whose sum is σ = 35181122. Its totient is φ = 35181120.

The previous prime is 35181119. The next prime is 35181131. The reversal of 35181121 is 12118153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30958096 + 4223025 = 5564^2 + 2055^2 .

It is an emirp because it is prime and its reverse (12118153) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35181121 - 2¹ = 35181119 is a prime.

It is a super-2 number, since 2×35181121² = 2475422549633282, which contains 22 as substring.

Together with 35181119, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 35181092 and 35181101.

It is not a weakly prime, because it can be changed into another prime (35181101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17590560 + 17590561.

It is an arithmetic number, because the mean of its divisors is an integer number (17590561).

Almost surely, 2^35181121 is an apocalyptic number.

It is an amenable number.

35181121 is a deficient number, since it is larger than the sum of its proper divisors (1).

35181121 is an equidigital number, since it uses as much as digits as its factorization.

35181121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 22.

The square root of 35181121 is about 5931.3675488879. The cubic root of 35181121 is about 327.6699069811.

Adding to 35181121 its reverse (12118153), we get a palindrome (47299274).

The spelling of 35181121 in words is "thirty-five million, one hundred eighty-one thousand, one hundred twenty-one".