2481156 has 36 divisors (see below), whose sum is σ = 6428604. Its totient is φ = 806880.

The previous prime is 2481139. The next prime is 2481169. The reversal of 2481156 is 6511842.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 476100 + 2005056 = 690^2 + 1416^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2481156² = 12312270192672, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60496 + ... + 60536.

2^2481156 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 2481156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3214302).

2481156 is an abundant number, since it is smaller than the sum of its proper divisors (3947448).

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

2481156 is an equidigital number, since it uses as much as digits as its factorization.

2481156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 46 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 2481156 is about 1575.1685624085. The cubic root of 2481156 is about 135.3790172047.

Adding to 2481156 its reverse (6511842), we get a palindrome (8992998).

The spelling of 2481156 in words is "two million, four hundred eighty-one thousand, one hundred fifty-six".