263523125 has 20 divisors (see below), whose sum is σ = 336342336. Its totient is φ = 206310000.

The previous prime is 263523079. The next prime is 263523133. The reversal of 263523125 is 521325362.

It is not a de Polignac number, because 263523125 - 2⁶ = 263523061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24890 + ... + 33860.

Almost surely, 2^263523125 is an apocalyptic number.

263523125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263523125 is a deficient number, since it is larger than the sum of its proper divisors (72819211).

263523125 is an frugal number, since it uses more digits than its factorization.

263523125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9038 (or 9023 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 263523125 is about 16233.3953626467. The cubic root of 263523125 is about 641.1203723503.

Adding to 263523125 its reverse (521325362), we get a palindrome (784848487).

The spelling of 263523125 in words is "two hundred sixty-three million, five hundred twenty-three thousand, one hundred twenty-five".