21035327 has 2 divisors, whose sum is σ = 21035328. Its totient is φ = 21035326.

The previous prime is 21035303. The next prime is 21035359. The reversal of 21035327 is 72353012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21035327 - 2¹⁶ = 20969791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21035227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10517663 + 10517664.

It is an arithmetic number, because the mean of its divisors is an integer number (10517664).

Almost surely, 2^21035327 is an apocalyptic number.

21035327 is a deficient number, since it is larger than the sum of its proper divisors (1).

21035327 is an equidigital number, since it uses as much as digits as its factorization.

21035327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 21035327 is about 4586.4285669789. The cubic root of 21035327 is about 276.0470365469.

Adding to 21035327 its reverse (72353012), we get a palindrome (93388339).

The spelling of 21035327 in words is "twenty-one million, thirty-five thousand, three hundred twenty-seven".