631241 has 8 divisors (see below), whose sum is σ = 692160. Its totient is φ = 572112.

The previous prime is 631229. The next prime is 631247. The reversal of 631241 is 142136.

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 631241 - 2¹⁸ = 369097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631247) 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, 356 + ... + 1178.

It is an arithmetic number, because the mean of its divisors is an integer number (86520).

2⁶³¹²⁴¹ is an apocalyptic number.

It is an amenable number.

631241 is a deficient number, since it is larger than the sum of its proper divisors (60919).

631241 is a wasteful number, since it uses less digits than its factorization.

631241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895.

The product of its digits is 144, while the sum is 17.

The square root of 631241 is about 794.5067652324. The cubic root of 631241 is about 85.7824408983.

Adding to 631241 its reverse (142136), we get a palindrome (773377).

The spelling of 631241 in words is "six hundred thirty-one thousand, two hundred forty-one".