631741 has 12 divisors (see below), whose sum is σ = 727776. Its totient is φ = 546920.

The previous prime is 631739. The next prime is 631751. The reversal of 631741 is 147136.

631741 = T₁₈ + T₁₉ + ... + T₁₅₅.

It is not a de Polignac number, because 631741 - 2¹ = 631739 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2670 + ... + 2896.

It is an arithmetic number, because the mean of its divisors is an integer number (60648).

2⁶³¹⁷⁴¹ is an apocalyptic number.

It is an amenable number.

631741 is a deficient number, since it is larger than the sum of its proper divisors (96035).

631741 is a wasteful number, since it uses less digits than its factorization.

631741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 261 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 631741 is about 794.8213635780. The cubic root of 631741 is about 85.8050840731.

Adding to 631741 its reverse (147136), we get a palindrome (778877).

The spelling of 631741 in words is "six hundred thirty-one thousand, seven hundred forty-one".