2554663 has 2 divisors, whose sum is σ = 2554664. Its totient is φ = 2554662.

The previous prime is 2554649. The next prime is 2554711. The reversal of 2554663 is 3664552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2554663 - 2²¹ = 457511 is a prime.

It is a d-powerful number, because it can be written as 2²⁰ + 5² + 5⁸ + 4¹⁰ + 6² + 6⁵ + 3¹⁰ .

2554663 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2554763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277331 + 1277332.

It is an arithmetic number, because the mean of its divisors is an integer number (1277332).

2^2554663 is an apocalyptic number.

2554663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554663 is an equidigital number, since it uses as much as digits as its factorization.

2554663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 31.

The square root of 2554663 is about 1598.3313173432. The cubic root of 2554663 is about 136.7029456202.

The spelling of 2554663 in words is "two million, five hundred fifty-four thousand, six hundred sixty-three".