634265 has 8 divisors (see below), whose sum is σ = 777600. Its totient is φ = 496432.

The previous prime is 634261. The next prime is 634267. The reversal of 634265 is 562436.

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

It is a cyclic number.

It is not a de Polignac number, because 634265 - 2² = 634261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115 + ... + 1584.

It is an arithmetic number, because the mean of its divisors is an integer number (97200).

2⁶³⁴²⁶⁵ is an apocalyptic number.

It is an amenable number.

634265 is a deficient number, since it is larger than the sum of its proper divisors (143335).

634265 is a wasteful number, since it uses less digits than its factorization.

634265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751.

The product of its digits is 4320, while the sum is 26.

The square root of 634265 is about 796.4075589797. The cubic root of 634265 is about 85.9192048107.

The spelling of 634265 in words is "six hundred thirty-four thousand, two hundred sixty-five".