2752281 has 27 divisors (see below), whose sum is σ = 4683861. Its totient is φ = 1552824.

The previous prime is 2752271. The next prime is 2752307. The reversal of 2752281 is 1822572.

The square root of 2752281 is 1659.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2752281 - 2⁷ = 2752153 is a prime.

It is a super-2 number, since 2×2752281² = 15150101405922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2752201) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 34800 + ... + 34878.

2^2752281 is an apocalyptic number.

2752281 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2752281 is the 1659-th square number.

2752281 is the 830-th centered octagonal number.

It is an amenable number.

2752281 is a deficient number, since it is larger than the sum of its proper divisors (1931580).

2752281 is an equidigital number, since it uses as much as digits as its factorization.

2752281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 89 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The cubic root of 2752281 is about 140.1406918988.

It can be divided in two parts, 275 and 2281, that added together give a triangular number (2556 = T₇₁).

The spelling of 2752281 in words is "two million, seven hundred fifty-two thousand, two hundred eighty-one".