2562617663 has 2 divisors, whose sum is σ = 2562617664. Its totient is φ = 2562617662.

The previous prime is 2562617641. The next prime is 2562617671. The reversal of 2562617663 is 3667162652.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2562617663 - 2⁶ = 2562617599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2562617633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281308831 + 1281308832.

It is an arithmetic number, because the mean of its divisors is an integer number (1281308832).

Almost surely, 2^2562617663 is an apocalyptic number.

2562617663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2562617663 is an equidigital number, since it uses as much as digits as its factorization.

2562617663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 44.

The square root of 2562617663 is about 50622.3040072259. The cubic root of 2562617663 is about 1368.4468631724.

The spelling of 2562617663 in words is "two billion, five hundred sixty-two million, six hundred seventeen thousand, six hundred sixty-three".