2491752 has 32 divisors (see below), whose sum is σ = 6364800. Its totient is φ = 812912.

The previous prime is 2491729. The next prime is 2491757. The reversal of 2491752 is 2571942.

It is an ABA number since it can be written as A⋅B^A, here for A=3, B=94.

It is not an unprimeable number, because it can be changed into a prime (2491757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52993 + ... + 53039.

It is an arithmetic number, because the mean of its divisors is an integer number (198900).

2^2491752 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 2491752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3182400).

2491752 is an abundant number, since it is smaller than the sum of its proper divisors (3873048).

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

2491752 is an frugal number, since it uses more digits than its factorization.

2491752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 52 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 2491752 is about 1578.5284286322. The cubic root of 2491752 is about 135.5714596089.

The spelling of 2491752 in words is "two million, four hundred ninety-one thousand, seven hundred fifty-two".