2752481 has 2 divisors, whose sum is σ = 2752482. Its totient is φ = 2752480.

The previous prime is 2752447. The next prime is 2752493. The reversal of 2752481 is 1842572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2739025 + 13456 = 1655^2 + 116^2 .

It is a cyclic number.

It is not a de Polignac number, because 2752481 - 2⁶ = 2752417 is a prime.

It is a super-2 number, since 2×2752481² = 15152303310722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2752081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1376240 + 1376241.

It is an arithmetic number, because the mean of its divisors is an integer number (1376241).

2^2752481 is an apocalyptic number.

It is an amenable number.

2752481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2752481 is an equidigital number, since it uses as much as digits as its factorization.

2752481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 29.

The square root of 2752481 is about 1659.0602761805. The cubic root of 2752481 is about 140.1440863510.

Subtracting from 2752481 its reverse (1842572), we obtain a palindrome (909909).

The spelling of 2752481 in words is "two million, seven hundred fifty-two thousand, four hundred eighty-one".