254531 has 4 divisors (see below), whose sum is σ = 255600. Its totient is φ = 253464.

The previous prime is 254519. The next prime is 254537. The reversal of 254531 is 135452.

254531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 254531 - 2¹⁰ = 253507 is a prime.

It is a super-2 number, since 2×254531² = 129572059922, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254531.

It is not an unprimeable number, because it can be changed into a prime (254537) 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, 5 + ... + 713.

It is an arithmetic number, because the mean of its divisors is an integer number (63900).

2²⁵⁴⁵³¹ is an apocalyptic number.

254531 is a deficient number, since it is larger than the sum of its proper divisors (1069).

254531 is an equidigital number, since it uses as much as digits as its factorization.

254531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068.

The product of its digits is 600, while the sum is 20.

The square root of 254531 is about 504.5106540005. The cubic root of 254531 is about 63.3743563094.

Adding to 254531 its reverse (135452), we get a palindrome (389983).

The spelling of 254531 in words is "two hundred fifty-four thousand, five hundred thirty-one".