2257733 has 2 divisors, whose sum is σ = 2257734. Its totient is φ = 2257732.

The previous prime is 2257721. The next prime is 2257757. The reversal of 2257733 is 3377522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2010724 + 247009 = 1418^2 + 497^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257733 - 2¹² = 2253637 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2⁵ + 2²¹ + 5⁷ + 7 + 7⁵ + 3⁸ + 3¹⁰ .

It is a junction number, because it is equal to n+sod(n) for n = 2257696 and 2257705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128866 + 1128867.

It is an arithmetic number, because the mean of its divisors is an integer number (1128867).

2^2257733 is an apocalyptic number.

It is an amenable number.

2257733 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257733 is an equidigital number, since it uses as much as digits as its factorization.

2257733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 29.

The square root of 2257733 is about 1502.5754556760. The cubic root of 2257733 is about 131.1870180059.

The spelling of 2257733 in words is "two million, two hundred fifty-seven thousand, seven hundred thirty-three".