2558533 has 2 divisors, whose sum is σ = 2558534. Its totient is φ = 2558532.

The previous prime is 2558531. The next prime is 2558581. The reversal of 2558533 is 3358552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1481089 + 1077444 = 1217^2 + 1038^2 .

It is a cyclic number.

It is not a de Polignac number, because 2558533 - 2¹ = 2558531 is a prime.

It is a super-2 number, since 2×2558533² = 13092182224178, which contains 22 as substring.

Together with 2558531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2558495 and 2558504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2558531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279266 + 1279267.

It is an arithmetic number, because the mean of its divisors is an integer number (1279267).

2^2558533 is an apocalyptic number.

It is an amenable number.

2558533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2558533 is an equidigital number, since it uses as much as digits as its factorization.

2558533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 31.

The square root of 2558533 is about 1599.5414968046. The cubic root of 2558533 is about 136.7719401713.

The spelling of 2558533 in words is "two million, five hundred fifty-eight thousand, five hundred thirty-three".