497631 has 4 divisors (see below), whose sum is σ = 663512. Its totient is φ = 331752.

The previous prime is 497603. The next prime is 497633. The reversal of 497631 is 136794.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 497631 - 2¹³ = 489439 is a prime.

It is a super-2 number, since 2×497631² = 495273224322, which contains 22 as substring.

It is a D-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 (497633) 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, 82936 + ... + 82941.

It is an arithmetic number, because the mean of its divisors is an integer number (165878).

2⁴⁹⁷⁶³¹ is an apocalyptic number.

497631 is a deficient number, since it is larger than the sum of its proper divisors (165881).

497631 is a wasteful number, since it uses less digits than its factorization.

497631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165880.

The product of its digits is 4536, while the sum is 30.

The square root of 497631 is about 705.4296563088. The cubic root of 497631 is about 79.2445023337.

It can be divided in two parts, 497 and 631, that added together give a triangular number (1128 = T₄₇).

The spelling of 497631 in words is "four hundred ninety-seven thousand, six hundred thirty-one".