2533393 has 2 divisors, whose sum is σ = 2533394. Its totient is φ = 2533392.

The previous prime is 2533379. The next prime is 2533397. The reversal of 2533393 is 3933352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2039184 + 494209 = 1428^2 + 703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2533393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2533397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266696 + 1266697.

It is an arithmetic number, because the mean of its divisors is an integer number (1266697).

2^2533393 is an apocalyptic number.

It is an amenable number.

2533393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2533393 is an equidigital number, since it uses as much as digits as its factorization.

2533393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7290, while the sum is 28.

The square root of 2533393 is about 1591.6635951105. The cubic root of 2533393 is about 136.3224937564.

It can be divided in two parts, 2533 and 393, that added together give a triangular number (2926 = T₇₆).

The spelling of 2533393 in words is "two million, five hundred thirty-three thousand, three hundred ninety-three".