631069 has 8 divisors (see below), whose sum is σ = 668160. Its totient is φ = 595056.

The previous prime is 631061. The next prime is 631121. The reversal of 631069 is 960136.

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 631069 - 2³ = 631061 is a prime.

It is a super-2 number, since 2×631069² = 796496165522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631061) 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, 1132 + ... + 1594.

It is an arithmetic number, because the mean of its divisors is an integer number (83520).

2⁶³¹⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

631069 is a deficient number, since it is larger than the sum of its proper divisors (37091).

631069 is a wasteful number, since it uses less digits than its factorization.

631069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 631069 is about 794.3985146008. The cubic root of 631069 is about 85.7746488822.

The spelling of 631069 in words is "six hundred thirty-one thousand, sixty-nine".