631463 has 10 divisors (see below), whose sum is σ = 739464. Its totient is φ = 539196.

The previous prime is 631459. The next prime is 631469. The reversal of 631463 is 364136.

631463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 631463 - 2² = 631459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631469) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2270 + ... + 2532.

2⁶³¹⁴⁶³ is an apocalyptic number.

631463 is a deficient number, since it is larger than the sum of its proper divisors (108001).

631463 is an frugal number, since it uses more digits than its factorization.

631463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 270 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 631463 is about 794.6464622711. The cubic root of 631463 is about 85.7924959432.

Adding to 631463 its reverse (364136), we get a palindrome (995599).

The spelling of 631463 in words is "six hundred thirty-one thousand, four hundred sixty-three".