263795825 has 12 divisors (see below), whose sum is σ = 327389388. Its totient is φ = 210854400.

The previous prime is 263795813. The next prime is 263795827. The reversal of 263795825 is 528597362.

It can be written as a sum of positive squares in 6 ways, for example, as 350464 + 263445361 = 592^2 + 16231^2 .

It is not a de Polignac number, because 263795825 - 2⁶ = 263795761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 263795825.

It is not an unprimeable number, because it can be changed into a prime (263795827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30149 + ... + 37901.

It is an arithmetic number, because the mean of its divisors is an integer number (27282449).

Almost surely, 2^263795825 is an apocalyptic number.

263795825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263795825 is a deficient number, since it is larger than the sum of its proper divisors (63593563).

263795825 is a wasteful number, since it uses less digits than its factorization.

263795825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9124 (or 9119 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The square root of 263795825 is about 16241.7925426968. The cubic root of 263795825 is about 641.3414449827.

The spelling of 263795825 in words is "two hundred sixty-three million, seven hundred ninety-five thousand, eight hundred twenty-five".