2287529 has 2 divisors, whose sum is σ = 2287530. Its totient is φ = 2287528.

The previous prime is 2287507. The next prime is 2287531. The reversal of 2287529 is 9257822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1690000 + 597529 = 1300^2 + 773^2 .

It is a cyclic number.

It is not a de Polignac number, because 2287529 - 2¹² = 2283433 is a prime.

It is a Sophie Germain prime.

Together with 2287531, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2¹⁸ + 8 + 7⁷ + 5⁶ + 2²⁰ + 9⁴ .

It is a Curzon number.

It is equal to p₁₆₈₆₅₉ and since 2287529 and 168659 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 (2287559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143764 + 1143765.

It is an arithmetic number, because the mean of its divisors is an integer number (1143765).

2^2287529 is an apocalyptic number.

It is an amenable number.

2287529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287529 is an equidigital number, since it uses as much as digits as its factorization.

2287529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 2287529 is about 1512.4579332993. The cubic root of 2287529 is about 131.7616029158.

The spelling of 2287529 in words is "two million, two hundred eighty-seven thousand, five hundred twenty-nine".