1425917 has 2 divisors, whose sum is σ = 1425918. Its totient is φ = 1425916.

The previous prime is 1425913. The next prime is 1425929. The reversal of 1425917 is 7195241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1406596 + 19321 = 1186^2 + 139^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425917 - 2² = 1425913 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1425917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712958 + 712959.

It is an arithmetic number, because the mean of its divisors is an integer number (712959).

2^1425917 is an apocalyptic number.

It is an amenable number.

1425917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425917 is an equidigital number, since it uses as much as digits as its factorization.

1425917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 29.

The square root of 1425917 is about 1194.1176658939. The cubic root of 1425917 is about 112.5549887556.

The spelling of 1425917 in words is "one million, four hundred twenty-five thousand, nine hundred seventeen".