263462461 has 2 divisors, whose sum is σ = 263462462. Its totient is φ = 263462460.

The previous prime is 263462449. The next prime is 263462467. The reversal of 263462461 is 164264362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190274436 + 73188025 = 13794^2 + 8555^2 .

It is a cyclic number.

It is not a de Polignac number, because 263462461 - 2¹⁵ = 263429693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263462467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131731230 + 131731231.

It is an arithmetic number, because the mean of its divisors is an integer number (131731231).

Almost surely, 2^263462461 is an apocalyptic number.

It is an amenable number.

263462461 is a deficient number, since it is larger than the sum of its proper divisors (1).

263462461 is an equidigital number, since it uses as much as digits as its factorization.

263462461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 34.

The square root of 263462461 is about 16231.5267612138. The cubic root of 263462461 is about 641.0711724795.

The spelling of 263462461 in words is "two hundred sixty-three million, four hundred sixty-two thousand, four hundred sixty-one".