65262257 has 2 divisors, whose sum is σ = 65262258. Its totient is φ = 65262256.

The previous prime is 65262229. The next prime is 65262289. The reversal of 65262257 is 75226256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53640976 + 11621281 = 7324^2 + 3409^2 .

It is a cyclic number.

It is not a de Polignac number, because 65262257 - 2¹² = 65258161 is a prime.

It is a Chen prime.

It is equal to p_3855059 and since 65262257 and 3855059 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (65262227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32631128 + 32631129.

It is an arithmetic number, because the mean of its divisors is an integer number (32631129).

Almost surely, 2^65262257 is an apocalyptic number.

It is an amenable number.

65262257 is a deficient number, since it is larger than the sum of its proper divisors (1).

65262257 is an equidigital number, since it uses as much as digits as its factorization.

65262257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 65262257 is about 8078.5058643291. The cubic root of 65262257 is about 402.6126007253.

The spelling of 65262257 in words is "sixty-five million, two hundred sixty-two thousand, two hundred fifty-seven".