65024257 has 2 divisors, whose sum is σ = 65024258. Its totient is φ = 65024256.

The previous prime is 65024249. The next prime is 65024263. The reversal of 65024257 is 75242056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40462321 + 24561936 = 6361^2 + 4956^2 .

It is a cyclic number.

It is not a de Polignac number, because 65024257 - 2³ = 65024249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65024287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32512128 + 32512129.

It is an arithmetic number, because the mean of its divisors is an integer number (32512129).

Almost surely, 2^65024257 is an apocalyptic number.

It is an amenable number.

65024257 is a deficient number, since it is larger than the sum of its proper divisors (1).

65024257 is an equidigital number, since it uses as much as digits as its factorization.

65024257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 65024257 is about 8063.7619632526. The cubic root of 65024257 is about 402.1225854050.

The spelling of 65024257 in words is "sixty-five million, twenty-four thousand, two hundred fifty-seven".