35666131 has 2 divisors, whose sum is σ = 35666132. Its totient is φ = 35666130.

The previous prime is 35666129. The next prime is 35666171. The reversal of 35666131 is 13166653.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 35666131 - 2¹ = 35666129 is a prime.

It is a super-3 number, since 3×35666131³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 35666129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 35666093 and 35666102.

It is not a weakly prime, because it can be changed into another prime (35666171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17833065 + 17833066.

It is an arithmetic number, because the mean of its divisors is an integer number (17833066).

Almost surely, 2^35666131 is an apocalyptic number.

35666131 is a deficient number, since it is larger than the sum of its proper divisors (1).

35666131 is an equidigital number, since it uses as much as digits as its factorization.

35666131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 35666131 is about 5972.1127752245. The cubic root of 35666131 is about 329.1688019374.

The spelling of 35666131 in words is "thirty-five million, six hundred sixty-six thousand, one hundred thirty-one".