262206641 has 2 divisors, whose sum is σ = 262206642. Its totient is φ = 262206640.

The previous prime is 262206569. The next prime is 262206643. The reversal of 262206641 is 146602262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190550416 + 71656225 = 13804^2 + 8465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-262206641 is a prime.

Together with 262206643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (262206643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131103320 + 131103321.

It is an arithmetic number, because the mean of its divisors is an integer number (131103321).

Almost surely, 2^262206641 is an apocalyptic number.

It is an amenable number.

262206641 is a deficient number, since it is larger than the sum of its proper divisors (1).

262206641 is an equidigital number, since it uses as much as digits as its factorization.

262206641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 262206641 is about 16192.7959599323. The cubic root of 262206641 is about 640.0509733164.

The spelling of 262206641 in words is "two hundred sixty-two million, two hundred six thousand, six hundred forty-one".