1425204017 has 2 divisors, whose sum is σ = 1425204018. Its totient is φ = 1425204016.

The previous prime is 1425203977. The next prime is 1425204019. The reversal of 1425204017 is 7104025241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1061195776 + 364008241 = 32576^2 + 19079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1425204017 is a prime.

Together with 1425204019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1425204019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712602008 + 712602009.

It is an arithmetic number, because the mean of its divisors is an integer number (712602009).

Almost surely, 2^1425204017 is an apocalyptic number.

It is an amenable number.

1425204017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425204017 is an equidigital number, since it uses as much as digits as its factorization.

1425204017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 1425204017 is about 37751.8743508187. The cubic root of 1425204017 is about 1125.3622581854.

Adding to 1425204017 its reverse (7104025241), we get a palindrome (8529229258).

The spelling of 1425204017 in words is "one billion, four hundred twenty-five million, two hundred four thousand, seventeen".