263808125 has 40 divisors (see below), whose sum is σ = 399022272. Its totient is φ = 170208000.

The previous prime is 263808121. The next prime is 263808143. The reversal of 263808125 is 521808362.

It is not a de Polignac number, because 263808125 - 2² = 263808121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263808121) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 72602 + ... + 76148.

Almost surely, 2^263808125 is an apocalyptic number.

263808125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263808125 is a deficient number, since it is larger than the sum of its proper divisors (135214147).

263808125 is an equidigital number, since it uses as much as digits as its factorization.

263808125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591 (or 3576 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 263808125 is about 16242.1711910693. The cubic root of 263808125 is about 641.3514127639.

The spelling of 263808125 in words is "two hundred sixty-three million, eight hundred eight thousand, one hundred twenty-five".