2533009 has 2 divisors, whose sum is σ = 2533010. Its totient is φ = 2533008.

The previous prime is 2533007. The next prime is 2533019. The reversal of 2533009 is 9003352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1476225 + 1056784 = 1215^2 + 1028^2 .

It is a cyclic number.

It is not a de Polignac number, because 2533009 - 2¹ = 2533007 is a prime.

It is a super-2 number, since 2×2533009² = 12832269188162, which contains 22 as substring.

Together with 2533007, it forms a pair of twin primes.

It is equal to p₁₈₅₃₃₂ and since 2533009 and 185332 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2533007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266504 + 1266505.

It is an arithmetic number, because the mean of its divisors is an integer number (1266505).

2^2533009 is an apocalyptic number.

It is an amenable number.

2533009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2533009 is an equidigital number, since it uses as much as digits as its factorization.

2533009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 2533009 is about 1591.5429620340. The cubic root of 2533009 is about 136.3156056972.

The spelling of 2533009 in words is "two million, five hundred thirty-three thousand, nine".