2005425017 has 2 divisors, whose sum is σ = 2005425018. Its totient is φ = 2005425016.

The previous prime is 2005425007. The next prime is 2005425029. The reversal of 2005425017 is 7105245002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1951784041 + 53640976 = 44179^2 + 7324^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005425017 - 2¹⁰ = 2005423993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2005425007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002712508 + 1002712509.

It is an arithmetic number, because the mean of its divisors is an integer number (1002712509).

Almost surely, 2^2005425017 is an apocalyptic number.

It is an amenable number.

2005425017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005425017 is an equidigital number, since it uses as much as digits as its factorization.

2005425017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 2005425017 is about 44781.9720088341. The cubic root of 2005425017 is about 1261.0592036162.

The spelling of 2005425017 in words is "two billion, five million, four hundred twenty-five thousand, seventeen".