65029231 has 2 divisors, whose sum is σ = 65029232. Its totient is φ = 65029230.

The previous prime is 65029189. The next prime is 65029241. The reversal of 65029231 is 13292056.

65029231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65029231 is a prime.

It is a super-2 number, since 2×65029231² = 8457601768902722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65029231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65029241) 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, 32514615 + 32514616.

It is an arithmetic number, because the mean of its divisors is an integer number (32514616).

Almost surely, 2^65029231 is an apocalyptic number.

65029231 is a deficient number, since it is larger than the sum of its proper divisors (1).

65029231 is an equidigital number, since it uses as much as digits as its factorization.

65029231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 65029231 is about 8064.0703741969. The cubic root of 65029231 is about 402.1328385364.

The spelling of 65029231 in words is "sixty-five million, twenty-nine thousand, two hundred thirty-one".