2751145 has 16 divisors (see below), whose sum is σ = 3525120. Its totient is φ = 2056384.

The previous prime is 2751137. The next prime is 2751163. The reversal of 2751145 is 5411572.

It is not a de Polignac number, because 2751145 - 2³ = 2751137 is a prime.

It is a super-2 number, since 2×2751145² = 15137597622050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5151 + ... + 5659.

It is an arithmetic number, because the mean of its divisors is an integer number (220320).

2^2751145 is an apocalyptic number.

It is an amenable number.

2751145 is a deficient number, since it is larger than the sum of its proper divisors (773975).

2751145 is a wasteful number, since it uses less digits than its factorization.

2751145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its digits is 1400, while the sum is 25.

The square root of 2751145 is about 1658.6575897394. The cubic root of 2751145 is about 140.1214082895.

It can be divided in two parts, 27511 and 45, that added together give a square (27556 = 166²).

The spelling of 2751145 in words is "two million, seven hundred fifty-one thousand, one hundred forty-five".