263750125 has 8 divisors (see below), whose sum is σ = 329160312. Its totient is φ = 211000000.

The previous prime is 263750117. The next prime is 263750129. The reversal of 263750125 is 521057362.

It can be written as a sum of positive squares in 4 ways, for example, as 43850884 + 219899241 = 6622^2 + 14829^2 .

It is not a de Polignac number, because 263750125 - 2³ = 263750117 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 (263750129) 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, 1054876 + ... + 1055125.

It is an arithmetic number, because the mean of its divisors is an integer number (41145039).

Almost surely, 2^263750125 is an apocalyptic number.

263750125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263750125 is a deficient number, since it is larger than the sum of its proper divisors (65410187).

263750125 is an equidigital number, since it uses as much as digits as its factorization.

263750125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110016 (or 2110006 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 263750125 is about 16240.3856173430. The cubic root of 263750125 is about 641.3044075041.

The spelling of 263750125 in words is "two hundred sixty-three million, seven hundred fifty thousand, one hundred twenty-five".