262340081 has 2 divisors, whose sum is σ = 262340082. Its totient is φ = 262340080.

The previous prime is 262340053. The next prime is 262340123. The reversal of 262340081 is 180043262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219306481 + 43033600 = 14809^2 + 6560^2 .

It is a cyclic number.

It is not a de Polignac number, because 262340081 - 2¹⁰ = 262339057 is a prime.

It is a super-2 number, since 2×262340081² = 137644636198173122, which contains 22 as substring.

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 262340081.

It is not a weakly prime, because it can be changed into another prime (262340021) 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, 131170040 + 131170041.

It is an arithmetic number, because the mean of its divisors is an integer number (131170041).

Almost surely, 2^262340081 is an apocalyptic number.

It is an amenable number.

262340081 is a deficient number, since it is larger than the sum of its proper divisors (1).

262340081 is an equidigital number, since it uses as much as digits as its factorization.

262340081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 262340081 is about 16196.9157866552. The cubic root of 262340081 is about 640.1595313570.

The spelling of 262340081 in words is "two hundred sixty-two million, three hundred forty thousand, eighty-one".