634263 has 8 divisors (see below), whose sum is σ = 966528. Its totient is φ = 362424.

The previous prime is 634261. The next prime is 634267. The reversal of 634263 is 362436.

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

It is not a de Polignac number, because 634263 - 2¹ = 634261 is a prime.

634263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634261) 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, 15081 + ... + 15122.

It is an arithmetic number, because the mean of its divisors is an integer number (120816).

2⁶³⁴²⁶³ is an apocalyptic number.

634263 is a deficient number, since it is larger than the sum of its proper divisors (332265).

634263 is a wasteful number, since it uses less digits than its factorization.

634263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30213.

The product of its digits is 2592, while the sum is 24.

The square root of 634263 is about 796.4063033402. The cubic root of 634263 is about 85.9191145021.

Adding to 634263 its reverse (362436), we get a palindrome (996699).

The spelling of 634263 in words is "six hundred thirty-four thousand, two hundred sixty-three".