2531460 has 48 divisors (see below), whose sum is σ = 7322112. Its totient is φ = 652800.

The previous prime is 2531443. The next prime is 2531471. The reversal of 2531460 is 641352.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180 + ... + 2540.

It is an arithmetic number, because the mean of its divisors is an integer number (152544).

2^2531460 is an apocalyptic number.

2531460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2531460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3661056).

2531460 is an abundant number, since it is smaller than the sum of its proper divisors (4790652).

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

2531460 is a wasteful number, since it uses less digits than its factorization.

2531460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2531460 is about 1591.0562529339. The cubic root of 2531460 is about 136.2878132009.

The spelling of 2531460 in words is "two million, five hundred thirty-one thousand, four hundred sixty".