631041 has 4 divisors (see below), whose sum is σ = 841392. Its totient is φ = 420692.

The previous prime is 631039. The next prime is 631061. The reversal of 631041 is 140136.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 631041 - 2¹ = 631039 is a prime.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 631041.

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 3 ways as a sum of consecutive naturals, for example, 105171 + ... + 105176.

It is an arithmetic number, because the mean of its divisors is an integer number (210348).

2⁶³¹⁰⁴¹ is an apocalyptic number.

It is an amenable number.

631041 is a deficient number, since it is larger than the sum of its proper divisors (210351).

631041 is a wasteful number, since it uses less digits than its factorization.

631041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210350.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 631041 is about 794.3808910088. The cubic root of 631041 is about 85.7733802804.

Adding to 631041 its reverse (140136), we get a palindrome (771177).

The spelling of 631041 in words is "six hundred thirty-one thousand, forty-one".