232520447 has 2 divisors, whose sum is σ = 232520448. Its totient is φ = 232520446.

The previous prime is 232520437. The next prime is 232520467. The reversal of 232520447 is 744025232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232520447 - 2⁸ = 232520191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232520437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116260223 + 116260224.

It is an arithmetic number, because the mean of its divisors is an integer number (116260224).

Almost surely, 2^232520447 is an apocalyptic number.

232520447 is a deficient number, since it is larger than the sum of its proper divisors (1).

232520447 is an equidigital number, since it uses as much as digits as its factorization.

232520447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 232520447 is about 15248.6211507795. The cubic root of 232520447 is about 614.9224984410.

Adding to 232520447 its reverse (744025232), we get a palindrome (976545679).

The spelling of 232520447 in words is "two hundred thirty-two million, five hundred twenty thousand, four hundred forty-seven".