263151125 has 8 divisors (see below), whose sum is σ = 328412760. Its totient is φ = 210520800.

The previous prime is 263151103. The next prime is 263151139. The reversal of 263151125 is 521151362.

It can be written as a sum of positive squares in 4 ways, for example, as 43903876 + 219247249 = 6626^2 + 14807^2 .

It is not a de Polignac number, because 263151125 - 2⁸ = 263150869 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 263151094 and 263151103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052480 + ... + 1052729.

It is an arithmetic number, because the mean of its divisors is an integer number (41051595).

Almost surely, 2^263151125 is an apocalyptic number.

263151125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263151125 is a deficient number, since it is larger than the sum of its proper divisors (65261635).

263151125 is an equidigital number, since it uses as much as digits as its factorization.

263151125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105224 (or 2105214 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 263151125 is about 16221.9334544314. The cubic root of 263151125 is about 640.8185530564.

The spelling of 263151125 in words is "two hundred sixty-three million, one hundred fifty-one thousand, one hundred twenty-five".