2650663 has 2 divisors, whose sum is σ = 2650664. Its totient is φ = 2650662.

The previous prime is 2650639. The next prime is 2650667. The reversal of 2650663 is 3660562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2650663 - 2¹⁷ = 2519591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2650667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325331 + 1325332.

It is an arithmetic number, because the mean of its divisors is an integer number (1325332).

2^2650663 is an apocalyptic number.

2650663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650663 is an equidigital number, since it uses as much as digits as its factorization.

2650663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2650663 is about 1628.0856857058. The cubic root of 2650663 is about 138.3942900013.

It can be divided in two parts, 26506 and 63, that multiplied together give a triangular number (1669878 = T₁₈₂₇).

The spelling of 2650663 in words is "two million, six hundred fifty thousand, six hundred sixty-three".