67261 has 2 divisors, whose sum is σ = 67262. Its totient is φ = 67260.

The previous prime is 67247. The next prime is 67271. The reversal of 67261 is 16276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62500 + 4761 = 250^2 + 69^2 .

It is a cyclic number.

It is not a de Polignac number, because 67261 - 2⁹ = 66749 is a prime.

It is a plaindrome in base 9 and base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33630 + 33631.

It is an arithmetic number, because the mean of its divisors is an integer number (33631).

2⁶⁷²⁶¹ is an apocalyptic number.

It is an amenable number.

67261 is a deficient number, since it is larger than the sum of its proper divisors (1).

67261 is an equidigital number, since it uses as much as digits as its factorization.

67261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 22.

The square root of 67261 is about 259.3472575525. The cubic root of 67261 is about 40.6681521748.

The spelling of 67261 in words is "sixty-seven thousand, two hundred sixty-one".