263226241 has 4 divisors (see below), whose sum is σ = 263263572. Its totient is φ = 263188912.

The previous prime is 263226233. The next prime is 263226253. The reversal of 263226241 is 142622362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142622362 = 2 ⋅71311181.

It can be written as a sum of positive squares in 2 ways, for example, as 228886641 + 34339600 = 15129^2 + 5860^2 .

It is a cyclic number.

It is not a de Polignac number, because 263226241 - 2³ = 263226233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263226211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4510 + ... + 23383.

It is an arithmetic number, because the mean of its divisors is an integer number (65815893).

Almost surely, 2^263226241 is an apocalyptic number.

It is an amenable number.

263226241 is a deficient number, since it is larger than the sum of its proper divisors (37331).

263226241 is an equidigital number, since it uses as much as digits as its factorization.

263226241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37330.

The product of its digits is 6912, while the sum is 28.

The square root of 263226241 is about 16224.2485496247. The cubic root of 263226241 is about 640.8795207444.

The spelling of 263226241 in words is "two hundred sixty-three million, two hundred twenty-six thousand, two hundred forty-one".