263621041 has 8 divisors (see below), whose sum is σ = 272413184. Its totient is φ = 254916720.

The previous prime is 263620957. The next prime is 263621051. The reversal of 263621041 is 140126362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 263621041 - 2¹³ = 263612849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263620997 and 263621015.

It is not an unprimeable number, because it can be changed into a prime (263621051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15825 + ... + 27886.

It is an arithmetic number, because the mean of its divisors is an integer number (34051648).

Almost surely, 2^263621041 is an apocalyptic number.

It is an amenable number.

263621041 is a deficient number, since it is larger than the sum of its proper divisors (8792143).

263621041 is a wasteful number, since it uses less digits than its factorization.

263621041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43911.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 263621041 is about 16236.4109642495. The cubic root of 263621041 is about 641.1997685056.

The spelling of 263621041 in words is "two hundred sixty-three million, six hundred twenty-one thousand, forty-one".