2526289 has 2 divisors, whose sum is σ = 2526290. Its totient is φ = 2526288.

The previous prime is 2526269. The next prime is 2526299. The reversal of 2526289 is 9826252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2007889 + 518400 = 1417^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 2526289 - 2⁵ = 2526257 is a prime.

It is a super-2 number, since 2×2526289² = 12764272223042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2526239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1263144 + 1263145.

It is an arithmetic number, because the mean of its divisors is an integer number (1263145).

2^2526289 is an apocalyptic number.

It is an amenable number.

2526289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2526289 is an equidigital number, since it uses as much as digits as its factorization.

2526289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 2526289 is about 1589.4304011186. The cubic root of 2526289 is about 136.1949518104.

The spelling of 2526289 in words is "two million, five hundred twenty-six thousand, two hundred eighty-nine".