2491532 has 24 divisors (see below), whose sum is σ = 4580352. Its totient is φ = 1184400.

The previous prime is 2491523. The next prime is 2491547. The reversal of 2491532 is 2351942.

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 7 ways as a sum of consecutive naturals, for example, 8663 + ... + 8945.

It is an arithmetic number, because the mean of its divisors is an integer number (190848).

2^2491532 is an apocalyptic number.

It is an amenable number.

2491532 is a deficient number, since it is larger than the sum of its proper divisors (2088820).

2491532 is a wasteful number, since it uses less digits than its factorization.

2491532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 387 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 2491532 is about 1578.4587419378. The cubic root of 2491532 is about 135.5674695651.

The spelling of 2491532 in words is "two million, four hundred ninety-one thousand, five hundred thirty-two".