263775125 has 16 divisors (see below), whose sum is σ = 339815424. Its totient is φ = 204210000.

The previous prime is 263775121. The next prime is 263775131. The reversal of 263775125 is 521577362.

It is not a de Polignac number, because 263775125 - 2² = 263775121 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 (263775121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 30161 + ... + 37910.

It is an arithmetic number, because the mean of its divisors is an integer number (21238464).

Almost surely, 2^263775125 is an apocalyptic number.

263775125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263775125 is a deficient number, since it is larger than the sum of its proper divisors (76040299).

263775125 is an equidigital number, since it uses as much as digits as its factorization.

263775125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68117 (or 68107 counting only the distinct ones).

The product of its digits is 88200, while the sum is 38.

The square root of 263775125 is about 16241.1552852622. The cubic root of 263775125 is about 641.3246692369.

The spelling of 263775125 in words is "two hundred sixty-three million, seven hundred seventy-five thousand, one hundred twenty-five".