2531832 has 64 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 787200.

The previous prime is 2531831. The next prime is 2531833. The reversal of 2531832 is 2381352.

2531832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2531831) and next prime (2531833).

It is a Harshad number since it is a multiple of its sum of digits (24).

Its product of digits (1440) is a multiple of the sum of its prime divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30463 + ... + 30545.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2^2531832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2531832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3386880).

2531832 is an abundant number, since it is smaller than the sum of its proper divisors (4241928).

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

2531832 is a wasteful number, since it uses less digits than its factorization.

2531832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 160 counting only the distinct ones).

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

The square root of 2531832 is about 1591.1731521114. The cubic root of 2531832 is about 136.2944887404.

The spelling of 2531832 in words is "two million, five hundred thirty-one thousand, eight hundred thirty-two".