21032059 has 2 divisors, whose sum is σ = 21032060. Its totient is φ = 21032058.

The previous prime is 21032023. The next prime is 21032083. The reversal of 21032059 is 95023012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21032059 - 2¹³ = 21023867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (21032159) 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, 10516029 + 10516030.

It is an arithmetic number, because the mean of its divisors is an integer number (10516030).

Almost surely, 2^21032059 is an apocalyptic number.

21032059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21032059 is an equidigital number, since it uses as much as digits as its factorization.

21032059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 21032059 is about 4586.0722846462. The cubic root of 21032059 is about 276.0327404624.

The spelling of 21032059 in words is "twenty-one million, thirty-two thousand, fifty-nine".