262545460249 has 2 divisors, whose sum is σ = 262545460250. Its totient is φ = 262545460248.

The previous prime is 262545460159. The next prime is 262545460271. The reversal of 262545460249 is 942064545262.

It is a happy number.

262545460249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182777625625 + 79767834624 = 427525^2 + 282432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-262545460249 is a prime.

It is not a weakly prime, because it can be changed into another prime (262545460649) 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, 131272730124 + 131272730125.

It is an arithmetic number, because the mean of its divisors is an integer number (131272730125).

Almost surely, 2^262545460249 is an apocalyptic number.

It is an amenable number.

262545460249 is a deficient number, since it is larger than the sum of its proper divisors (1).

262545460249 is an equidigital number, since it uses as much as digits as its factorization.

262545460249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 262545460249 in words is "two hundred sixty-two billion, five hundred forty-five million, four hundred sixty thousand, two hundred forty-nine".