2531823 has 8 divisors (see below), whose sum is σ = 3858048. Its totient is φ = 1446744.

The previous prime is 2531821. The next prime is 2531831. The reversal of 2531823 is 3281352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2531823 - 2¹ = 2531821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2531793 and 2531802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60261 + ... + 60302.

It is an arithmetic number, because the mean of its divisors is an integer number (482256).

2^2531823 is an apocalyptic number.

2531823 is a deficient number, since it is larger than the sum of its proper divisors (1326225).

2531823 is a wasteful number, since it uses less digits than its factorization.

2531823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120573.

The product of its digits is 1440, while the sum is 24.

The square root of 2531823 is about 1591.1703240068. The cubic root of 2531823 is about 136.2943272431.

The spelling of 2531823 in words is "two million, five hundred thirty-one thousand, eight hundred twenty-three".