2528663 has 2 divisors, whose sum is σ = 2528664. Its totient is φ = 2528662.

The previous prime is 2528657. The next prime is 2528707. The reversal of 2528663 is 3668252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2528663 - 2⁶ = 2528599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2528863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264331 + 1264332.

It is an arithmetic number, because the mean of its divisors is an integer number (1264332).

2^2528663 is an apocalyptic number.

2528663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2528663 is an equidigital number, since it uses as much as digits as its factorization.

2528663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 2528663 is about 1590.1770341695. The cubic root of 2528663 is about 136.2376000836.

The spelling of 2528663 in words is "two million, five hundred twenty-eight thousand, six hundred sixty-three".