60812261 has 2 divisors, whose sum is σ = 60812262. Its totient is φ = 60812260.

The previous prime is 60812243. The next prime is 60812263. The reversal of 60812261 is 16221806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38068900 + 22743361 = 6170^2 + 4769^2 .

It is a cyclic number.

It is not a de Polignac number, because 60812261 - 2¹⁰ = 60811237 is a prime.

Together with 60812263, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60812261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60812263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30406130 + 30406131.

It is an arithmetic number, because the mean of its divisors is an integer number (30406131).

Almost surely, 2^60812261 is an apocalyptic number.

It is an amenable number.

60812261 is a deficient number, since it is larger than the sum of its proper divisors (1).

60812261 is an equidigital number, since it uses as much as digits as its factorization.

60812261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 60812261 is about 7798.2216562496. The cubic root of 60812261 is about 393.2454595584.

The spelling of 60812261 in words is "sixty million, eight hundred twelve thousand, two hundred sixty-one".