499131 has 12 divisors (see below), whose sum is σ = 744640. Its totient is φ = 321840.

The previous prime is 499129. The next prime is 499133. The reversal of 499131 is 131994.

It is an interprime number because it is at equal distance from previous prime (499129) and next prime (499133).

It is not a de Polignac number, because 499131 - 2¹ = 499129 is a prime.

It is a super-2 number, since 2×499131² = 498263510322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499095 and 499104.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499131.

It is not an unprimeable number, because it can be changed into a prime (499133) 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, 616 + ... + 1173.

2⁴⁹⁹¹³¹ is an apocalyptic number.

499131 is a deficient number, since it is larger than the sum of its proper divisors (245509).

499131 is a wasteful number, since it uses less digits than its factorization.

499131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1823 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 499131 is about 706.4920381717. The cubic root of 499131 is about 79.3240442168.

It can be divided in two parts, 499 and 131, that added together give a triangular number (630 = T₃₅).

The spelling of 499131 in words is "four hundred ninety-nine thousand, one hundred thirty-one".