821232059 has 2 divisors, whose sum is σ = 821232060. Its totient is φ = 821232058.

The previous prime is 821232031. The next prime is 821232101. The reversal of 821232059 is 950232128.

It is a happy number.

821232059 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 a cyclic number.

It is not a de Polignac number, because 821232059 - 2²⁸ = 552796603 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (821232029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410616029 + 410616030.

It is an arithmetic number, because the mean of its divisors is an integer number (410616030).

Almost surely, 2^821232059 is an apocalyptic number.

821232059 is a deficient number, since it is larger than the sum of its proper divisors (1).

821232059 is an equidigital number, since it uses as much as digits as its factorization.

821232059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 821232059 is about 28657.1467351514. The cubic root of 821232059 is about 936.4587062256.

The spelling of 821232059 in words is "eight hundred twenty-one million, two hundred thirty-two thousand, fifty-nine".