2564208071 has 2 divisors, whose sum is σ = 2564208072. Its totient is φ = 2564208070.

The previous prime is 2564208067. The next prime is 2564208131. The reversal of 2564208071 is 1708024652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2564208071 - 2² = 2564208067 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2564208041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282104035 + 1282104036.

It is an arithmetic number, because the mean of its divisors is an integer number (1282104036).

Almost surely, 2^2564208071 is an apocalyptic number.

2564208071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564208071 is an equidigital number, since it uses as much as digits as its factorization.

2564208071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 2564208071 is about 50638.0101406049. The cubic root of 2564208071 is about 1368.7298991203.

The spelling of 2564208071 in words is "two billion, five hundred sixty-four million, two hundred eight thousand, seventy-one".