263125055 has 8 divisors (see below), whose sum is σ = 325935744. Its totient is φ = 203709600.

The previous prime is 263125043. The next prime is 263125061. The reversal of 263125055 is 550521362.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 263125055 - 2⁴ = 263125039 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 7 ways as a sum of consecutive naturals, for example, 848636 + ... + 848945.

It is an arithmetic number, because the mean of its divisors is an integer number (40741968).

Almost surely, 2^263125055 is an apocalyptic number.

263125055 is a deficient number, since it is larger than the sum of its proper divisors (62810689).

263125055 is a wasteful number, since it uses less digits than its factorization.

263125055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697617.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 263125055 is about 16221.1298928281. The cubic root of 263125055 is about 640.7973907029.

The spelling of 263125055 in words is "two hundred sixty-three million, one hundred twenty-five thousand, fifty-five".