263424541 has 4 divisors (see below), whose sum is σ = 263607292. Its totient is φ = 263241792.

The previous prime is 263424529. The next prime is 263424563. The reversal of 263424541 is 145424362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 255840025 + 7584516 = 15995^2 + 2754^2 .

It is a cyclic number.

It is not a de Polignac number, because 263424541 - 2¹⁵ = 263391773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263424521) 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, 89196 + ... + 92101.

It is an arithmetic number, because the mean of its divisors is an integer number (65901823).

Almost surely, 2^263424541 is an apocalyptic number.

It is an amenable number.

263424541 is a deficient number, since it is larger than the sum of its proper divisors (182751).

263424541 is a wasteful number, since it uses less digits than its factorization.

263424541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182750.

The product of its digits is 23040, while the sum is 31.

The square root of 263424541 is about 16230.3586220391. The cubic root of 263424541 is about 641.0404146691.

The spelling of 263424541 in words is "two hundred sixty-three million, four hundred twenty-four thousand, five hundred forty-one".