2752491 has 8 divisors (see below), whose sum is σ = 4194304. Its totient is φ = 1572840.

The previous prime is 2752481. The next prime is 2752493. The reversal of 2752491 is 1942572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2752491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2752493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65515 + ... + 65556.

It is an arithmetic number, because the mean of its divisors is an integer number (524288).

2^2752491 is an apocalyptic number.

2752491 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2752491 is a deficient number, since it is larger than the sum of its proper divisors (1441813).

2752491 is a wasteful number, since it uses less digits than its factorization.

2752491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131081.

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

The square root of 2752491 is about 1659.0632899320. The cubic root of 2752491 is about 140.1442560693.

The spelling of 2752491 in words is "two million, seven hundred fifty-two thousand, four hundred ninety-one".