67352231 has 2 divisors, whose sum is σ = 67352232. Its totient is φ = 67352230.

The previous prime is 67352221. The next prime is 67352281. The reversal of 67352231 is 13225376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67352231 - 2⁶ = 67352167 is a prime.

It is a super-2 number, since 2×67352231² = 9072646041354722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67352194 and 67352203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67352221) 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, 33676115 + 33676116.

It is an arithmetic number, because the mean of its divisors is an integer number (33676116).

Almost surely, 2^67352231 is an apocalyptic number.

67352231 is a deficient number, since it is larger than the sum of its proper divisors (1).

67352231 is an equidigital number, since it uses as much as digits as its factorization.

67352231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 67352231 is about 8206.8405004606. The cubic root of 67352231 is about 406.8653092816.

The spelling of 67352231 in words is "sixty-seven million, three hundred fifty-two thousand, two hundred thirty-one".