1425842017 has 2 divisors, whose sum is σ = 1425842018. Its totient is φ = 1425842016.

The previous prime is 1425841979. The next prime is 1425842029. The reversal of 1425842017 is 7102485241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1378562641 + 47279376 = 37129^2 + 6876^2 .

It is an emirp because it is prime and its reverse (7102485241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1425842017 - 2⁷ = 1425841889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1425842057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712921008 + 712921009.

It is an arithmetic number, because the mean of its divisors is an integer number (712921009).

Almost surely, 2^1425842017 is an apocalyptic number.

It is an amenable number.

1425842017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425842017 is an equidigital number, since it uses as much as digits as its factorization.

1425842017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 1425842017 is about 37760.3233169421. The cubic root of 1425842017 is about 1125.5301578926.

The spelling of 1425842017 in words is "one billion, four hundred twenty-five million, eight hundred forty-two thousand, seventeen".