2521733 has 2 divisors, whose sum is σ = 2521734. Its totient is φ = 2521732.

The previous prime is 2521723. The next prime is 2521747. The reversal of 2521733 is 3371252.

2521733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2244004 + 277729 = 1498^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521733 - 2¹² = 2517637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2521699 and 2521708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260866 + 1260867.

It is an arithmetic number, because the mean of its divisors is an integer number (1260867).

2^2521733 is an apocalyptic number.

It is an amenable number.

2521733 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521733 is an equidigital number, since it uses as much as digits as its factorization.

2521733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 23.

The square root of 2521733 is about 1587.9965365202. The cubic root of 2521733 is about 136.1130295933.

Adding to 2521733 its reverse (3371252), we get a palindrome (5892985).

The spelling of 2521733 in words is "two million, five hundred twenty-one thousand, seven hundred thirty-three".