263239325 has 12 divisors (see below), whose sum is σ = 326768148. Its totient is φ = 210364800.

The previous prime is 263239313. The next prime is 263239331. The reversal of 263239325 is 523932362.

It can be written as a sum of positive squares in 6 ways, for example, as 5508409 + 257730916 = 2347^2 + 16054^2 .

It is not a de Polignac number, because 263239325 - 2⁴ = 263239309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20369 + ... + 30681.

It is an arithmetic number, because the mean of its divisors is an integer number (27230679).

Almost surely, 2^263239325 is an apocalyptic number.

263239325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263239325 is a deficient number, since it is larger than the sum of its proper divisors (63528823).

263239325 is a wasteful number, since it uses less digits than its factorization.

263239325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11344 (or 11339 counting only the distinct ones).

The product of its digits is 58320, while the sum is 35.

The square root of 263239325 is about 16224.6517682199. The cubic root of 263239325 is about 640.8901391497.

The spelling of 263239325 in words is "two hundred sixty-three million, two hundred thirty-nine thousand, three hundred twenty-five".