2531802 has 32 divisors (see below), whose sum is σ = 6233472. Its totient is φ = 667584.

The previous prime is 2531777. The next prime is 2531803. The reversal of 2531802 is 2081352.

2531802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2531803) 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, 1773 + ... + 2864.

It is an arithmetic number, because the mean of its divisors is an integer number (194796).

2^2531802 is an apocalyptic number.

2531802 is an abundant number, since it is smaller than the sum of its proper divisors (3701670).

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

2531802 is a wasteful number, since it uses less digits than its factorization.

2531802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2531802 is about 1591.1637250767. The cubic root of 2531802 is about 136.2939504146.

It can be divided in two parts, 2531 and 802, that added together give a palindrome (3333).

The spelling of 2531802 in words is "two million, five hundred thirty-one thousand, eight hundred two".