2491572 has 24 divisors (see below), whose sum is σ = 5839456. Its totient is φ = 826848.

The previous prime is 2491553. The next prime is 2491589. The reversal of 2491572 is 2751942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4503 + ... + 5025.

2^2491572 is an apocalyptic number.

It is an amenable number.

2491572 is an abundant number, since it is smaller than the sum of its proper divisors (3347884).

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

2491572 is a wasteful number, since it uses less digits than its factorization.

2491572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 925 counting only the distinct ones).

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

The square root of 2491572 is about 1578.4714124747. The cubic root of 2491572 is about 135.5681950451.

The spelling of 2491572 in words is "two million, four hundred ninety-one thousand, five hundred seventy-two".