263725753 has 8 divisors (see below), whose sum is σ = 268865480. Its totient is φ = 258612480.

The previous prime is 263725727. The next prime is 263725769. The reversal of 263725753 is 357527362.

It can be written as a sum of positive squares in 4 ways, for example, as 3968064 + 259757689 = 1992^2 + 16117^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263725753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263725703) 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, 14143 + ... + 26971.

It is an arithmetic number, because the mean of its divisors is an integer number (33608185).

Almost surely, 2^263725753 is an apocalyptic number.

It is an amenable number.

263725753 is a deficient number, since it is larger than the sum of its proper divisors (5139727).

263725753 is a wasteful number, since it uses less digits than its factorization.

263725753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13227.

The product of its digits is 264600, while the sum is 40.

The square root of 263725753 is about 16239.6352483669. The cubic root of 263725753 is about 641.2846535135.

The spelling of 263725753 in words is "two hundred sixty-three million, seven hundred twenty-five thousand, seven hundred fifty-three".