65234251 has 2 divisors, whose sum is σ = 65234252. Its totient is φ = 65234250.

The previous prime is 65234209. The next prime is 65234263. The reversal of 65234251 is 15243256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65234251 - 2⁹ = 65233739 is a prime.

It is not a weakly prime, because it can be changed into another prime (65234291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32617125 + 32617126.

It is an arithmetic number, because the mean of its divisors is an integer number (32617126).

Almost surely, 2^65234251 is an apocalyptic number.

65234251 is a deficient number, since it is larger than the sum of its proper divisors (1).

65234251 is an equidigital number, since it uses as much as digits as its factorization.

65234251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 65234251 is about 8076.7723132449. The cubic root of 65234251 is about 402.5550014212. Note that the first 3 decimals are identical.

The spelling of 65234251 in words is "sixty-five million, two hundred thirty-four thousand, two hundred fifty-one".