531492 has 24 divisors (see below), whose sum is σ = 1335936. Its totient is φ = 163488.

The previous prime is 531481. The next prime is 531497. The reversal of 531492 is 294135.

It is a d-powerful number, because it can be written as 5 + 3¹² + 4 + 1 + 9 + 2⁵ .

It is a plaindrome in base 11.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (531497) by changing a digit.

531492 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548 + ... + 1859.

It is an arithmetic number, because the mean of its divisors is an integer number (55664).

531492 is a Friedman number, since it can be written as 51+9^((4*3)/2), using all its digits and the basic arithmetic operations.

2⁵³¹⁴⁹² is an apocalyptic number.

531492 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

531492 is an abundant number, since it is smaller than the sum of its proper divisors (804444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531492 is a wasteful number, since it uses less digits than its factorization.

531492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427 (or 3425 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 531492 is about 729.0349785847. The cubic root of 531492 is about 81.0025909856.

The spelling of 531492 in words is "five hundred thirty-one thousand, four hundred ninety-two".