263172063 has 16 divisors (see below), whose sum is σ = 437481216. Its totient is φ = 136712640.

The previous prime is 263172061. The next prime is 263172089. The reversal of 263172063 is 360271362.

It is not a de Polignac number, because 263172063 - 2¹ = 263172061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263172063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263172061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569406 + ... + 569867.

It is an arithmetic number, because the mean of its divisors is an integer number (27342576).

Almost surely, 2^263172063 is an apocalyptic number.

263172063 is a deficient number, since it is larger than the sum of its proper divisors (174309153).

263172063 is a wasteful number, since it uses less digits than its factorization.

263172063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139294.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 263172063 is about 16222.5788023976. The cubic root of 263172063 is about 640.8355484907.

The spelling of 263172063 in words is "two hundred sixty-three million, one hundred seventy-two thousand, sixty-three".