240263 has 2 divisors, whose sum is σ = 240264. Its totient is φ = 240262.

The previous prime is 240259. The next prime is 240271. The reversal of 240263 is 362042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240263 - 2² = 240259 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120131 + 120132.

It is an arithmetic number, because the mean of its divisors is an integer number (120132).

2²⁴⁰²⁶³ is an apocalyptic number.

240263 is a deficient number, since it is larger than the sum of its proper divisors (1).

240263 is an equidigital number, since it uses as much as digits as its factorization.

240263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 240263 is about 490.1662983111. The cubic root of 240263 is about 62.1673418920.

The spelling of 240263 in words is "two hundred forty thousand, two hundred sixty-three".