35640331 has 2 divisors, whose sum is σ = 35640332. Its totient is φ = 35640330.

The previous prime is 35640329. The next prime is 35640337. The reversal of 35640331 is 13304653.

35640331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13304653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35640331 - 2¹ = 35640329 is a prime.

It is a super-2 number, since 2×35640331² = 2540466387579122, which contains 22 as substring.

Together with 35640329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 35640296 and 35640305.

It is not a weakly prime, because it can be changed into another prime (35640337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17820165 + 17820166.

It is an arithmetic number, because the mean of its divisors is an integer number (17820166).

Almost surely, 2^35640331 is an apocalyptic number.

35640331 is a deficient number, since it is larger than the sum of its proper divisors (1).

35640331 is an equidigital number, since it uses as much as digits as its factorization.

35640331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 35640331 is about 5969.9523448684. The cubic root of 35640331 is about 329.0894119256.

Adding to 35640331 its reverse (13304653), we get a palindrome (48944984).

The spelling of 35640331 in words is "thirty-five million, six hundred forty thousand, three hundred thirty-one".